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| Patents for R. E. Lippincott | |||||
| Number | Date | Patentee | Title | Type | |
| D35,261 | Nov. 05, 1901 | F. Searle | Wrench Member | wrench handle components | |
| 712,575 | Nov. 04, 1902 | M.F. McMahon | Friction-clutch | industrial machine clutches | |