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| Patents for William P. Davis | |||||
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| Number | Date | Patentee | Title | Type | |
| 274,287 | Mar. 20, 1883 | W.P. Davis | Key Seat Cutting Machine | key seating machines | |
| 518,023 | Apr. 10, 1894 | W.P. Davis | Key Seating Machine | key seating machines | |
| 648,122 | Apr. 24, 1900 | W.P. Davis | Electric Igniter for Explosive Engines | ignition systems | |