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All Patents in class 74/465 | |||||
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Picture | Number | Date | Patentee | Title | |
![]() | 119,683 | Oct. 03, 1871 | L.R. Faught | Improvement in cog-gearing | |
![]() | 604,662 | May 24, 1898 | H.B. Keiper | Gearing | |
605,722 | Jun. 14, 1898 | H.B. Keiper | Gearing |