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| All Patents in class 12/146C | |||||
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| Number | Date | Patentee | Title | Type | |
| 73,069 | Jan. 07, 1868 | J.F. Allen | Improvement in valve-gear | steam engine valve gear | |
| 234,163 | Nov. 09, 1880 | J.A. Ambler, A.C. Ambler | Crimping-machine for boots and shoes | cobbler | |
| 1,766,438 | Jun. 24, 1930 | L.J. Klunk | Saw-filing machine | saw sharpening machines | |