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Patents for John W. Boynton
Patents 1 - 7 of 7
First set of recordsLast set of records
491,521Feb. 14, 1893J.W. BoyntonTail Stock for Milling Machinesmilling machine accessories
495,296Apr. 11, 1893J.W. BoyntonSpeed Regulating Device for Lathesmetalworking speed changing mechanisms
525,781Sep. 11, 1894J.W. BoyntonMechanism for Taking Up Lost Motionmetalworking machine mechanisms
650,924Jun. 05, 1900J.W. BoyntonInserted Tooth Milling Cuttermilling machine cutters
1,052,605Feb. 11, 1913S. MacKayGrinding Machinesharpening machines
1,052,649Feb. 11, 1913J.W. BoyntonGrinding Machinesharpening machines
1,079,420Nov. 25, 1913S. MacKayMethod of Adjusting Rotary Cutterssharpening machines
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