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| All Patents in class 74/43 | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 81,967 | Sep. 08, 1868 | J.S. Williams | Improvement in double ratchet-lever power | |
 | 248,531 | Oct. 18, 1881 | C.M. Trautmann | Velocipede | |
| 850,644 | Apr. 16, 1907 | A. Harrold | Gear for traction-engines | ||
| 1,510,439 | Sep. 30, 1924 | E.R. Draver | Transmission mechanism for feeders connected in a gang | ||
 | 2,796,768 | Jun. 25, 1957 | R.E. Stoll | Power operated elliptical motion tool | |
 | 2,884,789 | May 05, 1959 | L. Frostad | Power operated elliptical motion tool | |