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All Patents in class 474/62 | |||||
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Picture | Number | Date | Patentee | Title | |
![]() | 151,948 | Jun. 09, 1874 | J.F. Light, A. Wood | Improvement in devices for transmitting motion | |
![]() | 948,825 | Feb. 08, 1910 | A.C. Pletz | Change-speed and reverse-drive mechanism | |
1,925,036 | Aug. 29, 1933 | G. Gorton | Engraving Machine and the Like |