Inventors A–Z

A

• Samuel Alexander — TELEPHONE. (1895)
• John Allender — BALANCE FOR DETECTING SPURIOUS COIN. (1855)
• Lloyd J. Andres — SLUG REJECTOR SCAVENGER FOR MAGNETIC COIN TESTERS (1951)
• John B. Atwater — COUNTERFEIT-COIN DETECTOR. (1882)

B

• Emil Bachmann — COIN-DETECTOR (1883)
• Francis X. Bee — COIN-CONTROLLED MECHANISM FOR TELEPHONE-BOXES AND THE LIKE. (1908)
• Otto Beese — COIN-CONTROLLED CIGAR-VENDING MACHINE (1901)
• Aron Bernstein — IMPROVEMENT IN COIN-COUNTERS (1876)
• Theodore Bibicos — COIN TESTING DEVICE (1937)
• Claude Bigelow — COIN-DETECTOR FOR VENDING-MACHINES. (1905)
• Albert E. Gebert and Floyd C. Black — COIN DETECTING APPARATUS (1942), COIN DETECTING APPARATUS (1943)
• Turner D. Bottome — ELECTRICAL DETECTION AND SEPARATION OF COINS FROM SUBSTITUTES (1933)
• Frederic H. Brinkerhoff — METHOD OF AND MEANS FOR TESTING COINS (1930)
• George W. Brown — COIN-DETECTIVE. (1903)
• Helen Alicia Burt — COIN FREED OR ACTUATED MACHINE. (1892)

C

• William M. Christopher — DETECTOR (1937), COIN OR SLUG SELECTOR DEVICE OR ATTACHMENT (1937)
• Merritt Clarke — COIN-TESTER. (1883)

D

• Charles E. Dellenbarger — COIN-SORTING MECHANISM (1908)
• Louis J. Disser — COIN-CONTROLLED SLOT OR VENDING MACHINE AND COIN-TESTING MECHANISM THEREFOR. (1906)
• Patrick Doherty — IMPROVEMENT IN COIN-DETECTERS (1877)
• Edward P. Donnellan — SPURIOUS COIN SEPARATOR (1933)
• Frank Hedley and James S. Doyle — SLUG-DETECTING DEVICE FOR COIN-CONTROLLED MACHINES. (1926)
• Judson H. Drobisch — BONUS-DETERMINING DEVICE. (1897)

E

• Theodore M. Edison — ART OF TESTING COINS OR OTHER TOKENS FOR GENUINENESS (1934)
• John E. Evard — APPARATUS FOR DISTINGUISHING GENUINE FROM SPURIOUS COINS (1901)
• Percival Everitt — COIN-OPERATED MACHINE FOR TESTING MUSCULAR POWER. (1887)

F

• Samuel A. Field — IMPROVEMENT IN COUNTERFEIT-COIN DETECTER AND COIN-RECEIVER. (1878)
• George C. Reith and George F. Flade — COIN-SELECTOR (1912)
• Charles A. Fowler — SPURIOUS COIN DETECTOR (1933)
• Jules A. Fremon — COIN MACHINE SLUG EJECTOR (1958)
• John Fritsche — FRAUD-PREVENTIVE DEVICE FOR COIN MECHANISMS. (1907)
• Benjamin L. Fry — COIN DETECTOR (1929)
• Benjamin W. Fry — COIN TESTING AND EJECTING MECHANISM FOR VENDING MACHINES (1934)
• John Gottfried and Benjamin W. Fry — COIN SELECTOR (1940)

G

• Christian Gabrielsen — COIN SELECTOR (1942)
• Willard H. Gilman — COIN-INTRODUCING DEVICE FOR COIN-CONTROLLED VENDING-MACHINES. (1895)
• Alexander M. Gordon — COIN CONTROLLED OSCILLATOR FOR RELAY OPERATION (1952)
• John Gottfried — COIN SELECTING APPARATUS (1933), COIN SELECTING APPARATUS (1933), COIN SELECTOR (1937), COIN SELECTOR (1944), APPARATUS FOR REJECTING APERTURED COINS (1955)
• William Gray — COIN-CONTROLLED TELEPHONE PAY-STATION. (1898)
• Arthur H. Du Grenier — COIN-CONTROLLED MECHANISM (1929), CHECK CONTROLLED MECHANISM (1931)
• Bernhard C. Grunig — COIN CHUTE DEFLECTOR (1942)

H

• Louis M. Hall — COIN CONTROLLED DEVICE (1933), COIN CONTROLLED DEVICE (1933)
• Russell J. Hall — SLUG ELIMINATOR FOR COIN OPERATED MECHANISMS (1936)
• Hobart J. Halsted — FRAUD PREVENTIVE DEVICE (1933)
• Rufus B. Sherburne, Leon G. Sherburne, and Martin Hansen — COIN-RECEIVING MECHANISM FOR VENDING MACHINES (1927)
• Anthony Harris — COIN FREED OR ACTUATED MACHINE (1890)
• Henry C. Hart — MACHINE FOR THE ASSORTMENT OF COINS. (1891)
• Frederick G. Hartell — COIN-DETECTOR (1904)
• Ferdinand J. Herpers — BALANCE FOR DETECTING COUNTERFEIT MONEY (1857)
• George Hoag — IMPROVEMENT IN COMBINED SCALE AND COIN-TESTER (1879)
• Fairfield W. Hoban — ART OF TESTING COINS OR OTHER TOKENS FOR GENUINENESS (1932), ART OF TESTING COINS OR OTHER TOKENS FOR GENUINENESS (1934), ART OF TESTING COINS OR OTHER TOKENS FOR GENUINENESS (1934)
• Maurice Hofheimer — FRAUD-PREVENTIVE FOR COIN-CONTROLLED MACHINES (1905)

J

• Alexander Jaeger — COIN-DETECTOR FOR AUTOMATIC VENDING-MACHINES. (1896)
• Otto Jaeger and Alexander Jaeger — EJECTOR FOR COIN-DETECTORS FOR MONEY-CONTROLLED MACHINES. (1899)
• Edward Phipps Appleyard and James Johnson — APPARATUS FOR PREVENTING FRAUD IN VENDING-MACHINES (1889)
• Philip Wuest, Jr. — COIN-CONTROLLED ELECTRICAL MUSICAL INSTRUMENT. (1895)
• Boley A. Andrews and Loran A. Shontz, Jr. — COIN TESTER (1956)

K

• Walter Karl Klose — SHADED POLE ELECTRIC COIN SELECTOR (1934)
• Aaron A. Knee — AUTOMATIC FRAUD PREVENTIVE MEANS FOR CHECK CONTROLLED APPARATUS (1932)
• Edward Kronenberg — IMPROVEMENT IN COUNTERFEIT-COIN DETECTERS (1877)

L

• John F. Lindberg — COIN DETECTING APPARATUS (1941)
• Ralph D. Lynch — CHECK SELECTING APPARATUS (1935)

M

• Frederick N. Magee — AUTOMATIC WEIGHING-MACHINE. (1903)
• H. Maranville — Coin-Detector (1860)
• Harvey Maranville — IMPROVEMENT IN POSTAL-SCALE AND COUNTERFEIT-COIN DETECTER. (1878)
• Sam May — COIN CONTROL (1952)
• Alvah C. Roebuck and Frank McMillan — COIN-CONTROLLED MECHANISM. (1902)
• Mortimer B. Mills — BOGUS-COIN DETECTOR FOR COIN-OPERATED VENDING-MACHINES (1898)
• Bert E. Mills — COIN SELECTOR (1939), COIN SELECTOR (1939)
• Emmett B. Moore — COIN SELECTOR (1936)
• James F. Mullen — DEVICE FOR THE AUTOMATIC DETECTION OF GENUINE COINS (1942)
• Frank G. Murray — COIN-ASSORTING MECHANISM FOR FARE BOXES (1929)

N

• Samuel D. Polsen and Sven Herbert Nelson — COIN CHECKING MEANS AND METHOD (1933)
• Clifton W. Nixon — COIN TESTING DEVICE (1931)

O

• James E. Olvis — REJECTION MEANS FOR PERFORATED COINS (1931)
• John F. Ott — COIN-CONTROLLED DEVICE FOR PHONOGRAPHS. (1892)

P

• William Painter — IMPROVEMENT IN COUNTERFEIT-COIN DETECTORS. (1862)
• William Patzer — DETECTING APPARATUS (1937)
• Almy Le Grand Peirce — MEANS FOR PROTECTING RECEIVING-OPENINGS OF COIN-CONTROLLED MACHINES. (1894)
• Henry W. Porter — COIN-CONTROLLED MUSICAL TOY BANK. (1894)
• Thomas I. Porter — COIN-DETECTOR (1900)
• Gust Poulas — FRAUD PREVENTATIVE DEVICE FOR SLOT MACHINES (1934)
• Arthur L. Pratt — COIN-DETECTOR FOR COIN-CONTROLLED APPARATUS. (1896)
• Edward C. Purnelle — COMBINED LETTER-SCALE AND COIN-TESTER. (1884)

R

• Bruno Radtke — COIN CHUTE (1935)
• Joy V. Wigle and John E. Reece — COIN-SELECTING DEVICE (1931)
• William H. Rice — IMPROVEMENT IN COUNTERFEIT-COIN DETECTERS. (1877)
• Rudolph Wm. Riess — COMBINED PENCIL-HOLDER, ERASER-HOLDER, AND COIN-TESTER. (1895)
• Alfred W. Roovers and Alexander H. Roovers — COIN-CONTROLLED STRENGTH-TESTING MACHINE. (1890)
• Emil de Ryss — SPURIOUS COIN DETECTOR AND EJECTOR (1933)

S

• Morgan D. Sadtler — COIN-TESTER FOR SLOT-MACHINES. (1906)
• John W. Smallwood — COIN OR CHECK CONTROLLED DELIVERY APPARATUS (1894)
• Gideon B. Smith — COUNTERFEIT-COIN DETECTOR. (1853)
• Oscar E. Sorg — FRAUD-PREVENTING DEVICE FOR COIN-CONTROLLED APPARATUS (1902)
• Edwin Street — IMPROVEMENT IN COUNTERFEIT-COIN DETECTERS (1878)
• John W. Sutton — IMPROVEMENT IN COUNTERFEIT-COIN DETECTERS (1877)

T

• Santley M. Taylor — COIN-CONTROLLED TESTING-MACHINE. (1903)
• John A. Thompson — IMPROVEMENT IN DETECTERS OF COUNTERFEIT COIN (1877), IMPROVEMENT IN COUNTERFEIT-COIN DETECTERS (1877), Counterfeit-Coin Detecter. (1880)
• Robert Fred. Tochtermann — COIN-GUARD OR CONTROLLING DEVICE FOR COIN-OPERATED MACHINES. (1899)
• Thomas J. Towsey — IMPROVEMENT IN DEVICES FOR DETECTING COUNTERFEIT COIN. (1877)
• Daniel W. Troy — COIN TESTING (1934)

U

• Cecil H. Underwood — SPURIOUS COIN DETECTOR (1934), DEVICE FOR REJECTING SPURIOUS COINS (1935)

V

• Leslie A. Vandiver — SPURIOUS-COIN DETECTOR FOR VENDING-MACHINES. (1909)
• John H. Volkmann — COIN CONVEYER AND TESTER FOR AUTOMATIC VENDING-MACHINES. (1892), VENDING-MACHINE (1898), COIN-TESTER FOR COIN-CONTROLLED APPARATUS. (1898)

W

• Harry Walker — COIN DEPOSITORY (1930)
• Fred E. A. Wallin — APPARATUS FOR SEPARATING GENUINE AND SPURIOUS COINS (1938), APPARATUS FOR SEPARATING GENUINE FROM SPURIOUS COINS (1943), APPARATUS FOR SEPARATING GENUINE FROM SPURIOUS COINS (1943), APPARATUS FOR SEPARATING GENUINE FROM SPURIOUS COINS (1943)
• George P. Hill and Albert L. Washburn — COIN-CONTROLLED WEIGHING-SCALE (1888)
• John Wiarda — IMPROVEMENT IN COUNTERFEIT-COIN DETECTERS (1877)
• Charles R. Williams — COIN-CONTROLLED HEIGHT-MEASURING MACHINE. (1888)
• John J. Willis — COIN DETECTOR (1936)