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| Patents for H. F. Cushman | |||||
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| Number | Date | Patentee | Title | Type | |
| 741,854 | Oct. 20, 1903 | W.W. Trevor, F.N. Trevor | Machine for Removing Bark from Logs | debarking machines | |
| 899,356 | Sep. 22, 1908 | W.W. Trevor | Machine for Shaping Oar Blades | specialty woodworking machines | |
| 939,760 | Nov. 09, 1909 | F.N. Trevor | Sawing Machine | circular ripsaws | |