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Patents for W. S. Boyd | |||||
Number | Date | Patentee | Title | Type | |
638,759 | Dec. 12, 1899 | G.W. Prinzing | Combination Tool | pipe and nut combination wrenches | |
893,897 | Jul. 21, 1908 | S.J. Bens | Endless chain saw | other wood sawing machines |