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Patents for William Joseph Grinden
Patents 1 - 5 of 5
First set of recordsLast set of records
NumberDatePatenteeTitleType
577,653Feb. 23, 1897W.J. Grinden, G. Amborn, Jr.Chain Wrenchchain and strap wrenches
577,654Feb. 23, 1897G. Amborn, Jr., W.J. GrindenChain Wrenchchain and strap wrenches
CA-55,988May 19, 1897W.J. Grinden, G. AmbornChain Wrenchchain and strap wrenches
CA-55,989May 19, 1897W.J. Grinden, G. AmbornChain Wrenchchain and strap wrenches
GB-190,323,811Jan. 14, 1904W.J. GrindenImprovements in Chain Pipe Visespipe and chain vises
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