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| All Patents in class 192/45.019 | |||||
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| Number | Date | Patentee | Title | Type | |
| 488,821 | Dec. 27, 1892 | A. Kipp, Jr. | Clutch | industrial machine clutches | |
| 1,511,226 | Oct. 14, 1924 | S.O. Lawrence | Wrench | ratchet wrenches | |