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Patents for J. F. Groat
Patents 1 - 5 of 5
First set of recordsLast set of records
PictureNumberDatePatenteeTitle
565,513Aug. 11, 1896C.C. SchulerClevis
623,188Apr. 18, 1899J.F. Skersick, J.W. SkersickWrench
624,910May 16, 1899J.W. ConcharCombined Anvil, Vise and Drill
634,216Oct. 03, 1899W.H. RobinsonWrench
641,782Jan. 23, 1900F. KostlanWrench For Grain-Separator Cylinders
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