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Patents for Robert F. Weir
Patents 1 - 3 of 3
Number	Date	Patentee	Title	Type
1,105,535	Jul. 28, 1914	J.O. Roberts	Screw Extractor	screw extractors
1,155,489	Oct. 05, 1915	C.F. Hess	Valve Grinder	valve grinding tools
1,299,256	Apr. 01, 1919	W.C. Stenger	Micrometer	micrometers

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