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Patents for Robert F. Weir | |||||
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Picture | Number | Date | Patentee | Title | |
![]() | 1,105,535 | Jul. 28, 1914 | J.O. Roberts | Screw Extractor | |
![]() | 1,155,489 | Oct. 05, 1915 | C.F. Hess | Valve Grinder | |
![]() | 1,299,256 | Apr. 01, 1919 | W.C. Stenger | Micrometer |