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| Patents for Frank E. Hathaway | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,260,701 | Mar. 26, 1918 | C.J. Olson | Pneumatically Operated Chain Saw | handheld chainsaws | |
| 1,260,702 | Mar. 26, 1918 | C.J. Olson | Pneumatically Operated Chain Saw | handheld chainsaws | |