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Patents for George H. Hill | |||||
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Picture | Number | Date | Patentee | Title | |
![]() | 206,733 | Aug. 06, 1878 | H.H. Hill | Wrench | |
![]() | 313,735 | Mar. 10, 1885 | G.H. Hill | Expansible bit | |
641,202 | Jan. 09, 1900 | C.W. Garland | Machine for cutting railway-ties |