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Patents for Robert F. Weir
Patents 1 - 3 of 3
First set of recordsLast set of records
PictureNumberDatePatenteeTitle
1,105,535Jul. 28, 1914J.O. RobertsScrew Extractor
1,155,489Oct. 05, 1915C.F. HessValve Grinder
1,299,256Apr. 01, 1919W.C. StengerMicrometer
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