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| All Patents in class 192/3.62 | |||||
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| Picture | Number | Date | Patentee | Title | |
| 773,999 | Nov. 01, 1904 | W. Langdon-Davies, A. Soames | Change Speed Gear | ||
 | 837,969 | Dec. 11, 1906 | W.T. Sears | Speeder | |
| 1,877,297 | Sep. 13, 1932 | M.J. Goldberg | Clutch and Transmission Mechanism | ||
| 2,706,544 | Apr. 19, 1955 | R.H. Schuman | Machine Tool Drive | ||