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Patents for Campbell Printing Press and Mfg. Co.
Patents 1 - 3 of 3
First set of recordsLast set of records
NumberDatePatenteeTitleType
364,749Jun. 14, 1887E.S. BoyntonAdjustable Alligator Wrenchalligator wrenches
404,770Jun. 04, 1889E.S. BoyntonImprovement in Alligator-Wrenchesscrew adjust wrenches
CA-34,274May 07, 1890E.S. BoyntonWrenchalligator wrenches
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