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| All Patents in class 185/28 | |||||
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| Number | Date | Patentee | Title | Type | |
| 102,597 | May 03, 1870 | H.A. Schneekloth | Foot-powered hoist | hoists, winches, come-alongs | |
| 429,379 | Jun. 03, 1890 | F.L. Gilbert | Motor | human powered apparatus | |