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Patents for Frank A. Hall | |||||
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Picture | Number | Date | Patentee | Title | |
![]() | 291,256 | Jan. 01, 1884 | T.S. Wilkin | Gang-saw mill | |
![]() | 291,257 | Jan. 01, 1884 | T.S. Wilkin | Gang-saw mill | |
![]() | 304,323 | Sep. 02, 1884 | G.M. Hinkley | Gang-edger |