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Patents for George W. Francis | |||||
Number | Date | Patentee | Title | Type | |
169,262 | Oct. 26, 1875 | G. Hayden | Improvement in ratchet-drills | ratchet braces | |
364,238 | Jun. 07, 1887 | G.W. Francis | Wedge for Axes or Other Tools | axes | |
461,469 | Oct. 20, 1891 | G.W. Francis | Chuck | metal lathe chucks |