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| Patents for Leonard L. Davis | |||||
| Number | Date | Patentee | Title | Type | |
| 492,937 | Mar. 07, 1893 | L.L. Davis | Hack-saw | hacksaws | |
| D30,856 | May 23, 1899 | L.L. Davis | Design for an electric-lamp bulb | incandescent light bulbs | |