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| Patents for Frank B. Hathaway | |||||
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| Number | Date | Patentee | Title | Type | |
| 319,294 | Jun. 02, 1885 | W. Millspaugh | Hand Chopping Knife | saw handles | |
| 360,854 | Apr. 12, 1887 | W. Millspaugh, G.N. Clemson | Tool-Holder | compass saws | |