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Patents for John J. Tower
Patents 16 - 21 of 21
First set of recordsPrevious set of recordsLast set of records
646,439Apr. 03, 1900J.P. LavigneExpansible Bitadjustable drill bits
661,010Oct. 30, 1900M.D. ConverseChaplin's Improved Patented Planeplane adjustment mechanisms
661,011Oct. 30, 1900M.D. ConverseInvolute Wrenchalligator wrenches
662,199Nov. 20, 1900J.P. LavigneExpansible Bitadjustable drill bits
716,386Dec. 23, 1902M.D. ConversePlaneplane cutter adjustments
716,521Dec. 23, 1902M.D. ConverseImprovement in saw handlessaw handles
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