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| Patents for Warren R. Perce | |||||
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| Number | Date | Patentee | Title | Type | |
| 388,784 | Aug. 28, 1888 | F. Mossberg | Twist-drill-grinding attachment | drill grinders | |
| 389,095 | Sep. 04, 1888 | F. Mossberg | Twist-drill-grinding attachment | drill grinders | |
| 459,377 | Sep. 08, 1891 | J.G. Lind | Combined Wrench and Gas Pipe Tongs | pipe wrenches | |
| 826,728 | Jul. 24, 1906 | J.G. Lind | Pipe-Wrench | self-adjust wrenches | |