| 1944 WRIGHT AERONAUTICAL CORP Change Speed Gear |
| 1938 THOMAS Change Speed Gear Mechanism Cycles Like |
| 1930 GORDON Change Speed Gear Bicycles Art Print |
| 1940 OTTO Change Speed Gear For Bicycles Patent |
| 1940 FRANCE SPORTING INC Change Speed Gear Bicycles |
| 1939 EMILE Change Speed Gear Especially Bicycles |
| 1936 EMIL BAUMGARTNER Change Speed Patent Print |
| 1934 ZAHNRADFABRIK FRIEDRICHSHAFEN Change Speed Gear |
| 1969 JUY LUCIEN CHARLES HIPPOLYTE Change Speed Control |
| 1947 BURKHALTER Change Speed Transmission Patent |
| 1939 WILLIAM Epicyclic Change Speed Gear Patent |
| 1939 LEON Change Speed Hub Bicycles Like Art |
| 1955 ERNST Change Speed Transmission Patent |
| 1969 FOX Epicyclic Change Speed Gear Hubs Patent |
| 1944 ROLAND CHILTON Change Speed Gear Patent |
| 1937 MARCEL Change Speed Chain Gearing Bicycles Like |
| 1958 HIPPOLYTE Change Speed Gear Patent Print |
| 1945 BANKER Change Speed Gearing Aircraft Propellers |
| 1969 JUY Change Speed Control Device Patent |
| 1934 VON SODEN Change Speed Gear Patent Print |
| 1924 JOSEPH Automatically Operated Change Speed Gear |
| 1939 EDWARD Change Speed Mechanism Bicycles Art |
| 1955 FRIED Change Speed Transmission Art Print |
| 1966 HERBERT Epicyclic Change Speed Gear Mechanisms |
| 1940 IVAR Change Speed Chain Sprocket Drive Art |
| 1939 ALBERT RAIMOND Change Speed Hub Bicycles Like |
| 1967 HOPKINS Change Speed Mechanism Patent Print |
| 1968 TETSUO Change Speed Gear Control Bicycles Like |