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| Patents for Frank C. Curtis | |||||
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| Picture | Number | Date | Patentee | Title | |
 | D25,358 | Apr. 07, 1896 | E. Rogers | Design for a Hatchet | |
 | 563,049 | Jun. 30, 1896 | D. Metcalfe | Pipe Wrench | |
 | 566,937 | Sep. 01, 1896 | E. Rogers | Axe/Hatchet Making | |
 | 584,018 | Jun. 08, 1897 | I. Sicotte | Tenoning-machine | |
 | 622,269 | Apr. 04, 1899 | E. Rogers | Axe/Hatchet Making | |
 | 623,384 | Apr. 18, 1899 | E. Rogers | Axe/Hatchet Making | |
 | 658,426 | Sep. 25, 1900 | J.H. Burck | Tool-grinding machine | |