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Patents for Philos B. Tyler | |||||
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Picture | Number | Date | Patentee | Title | |
![]() | 10,940 | May 16, 1854 | P.B. Tyler | Method of nibbing saw-teeth | |
![]() | 14,172 | Jan. 29, 1856 | P.B. Tyler | Method of attaching teeth to saw-plates | |
![]() | 50,860 | Nov. 07, 1865 | P.B. Tyler, W.M. Chandler, L.F. Standish | Improvement in the manufacture of friction-matches |