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Patents for J. F. Groat
Patents 1 - 5 of 5
First set of recordsLast set of records
NumberDatePatenteeTitleType
565,513Aug. 11, 1896C.C. SchulerClevisclevises
623,188Apr. 18, 1899J.F. Skersick, J.W. SkersickWrenchauxiliary levers on wrenches
624,910May 16, 1899J.W. ConcharCombined Anvil, Vise and Drillcompound vises
634,216Oct. 03, 1899W.H. RobinsonWrenchquick adjust wrenches
641,782Jan. 23, 1900F. KostlanWrench For Grain-Separator Cylinderscylinder tooth wrenches
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