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Patents for Pratt & Whitney Co.
Patents 136 - 150 of 261
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NumberDatePatenteeTitleType
847,573Mar. 19, 1907B.M. HansonChuckdrill chucks
867,198Sep. 24, 1907A.E. Thayer, B.M. HansonFoot Stockcylindrical grinders
876,543Jan. 14, 1908B.M. HansonFriction Clutchmetalworking machine mechanisms
905,518Dec. 01, 1908B.W. HansonChuck Actuating Devicemetal lathe chucks
912,124Feb. 09, 1909B.M. HansonFluid Pressure Indexing Mechanismindexers and dividers
921,977May 18, 1909C.L. GoodrichTool Holdertap and die holders
921,983May 18, 1909B.M. HansonIndexing Mechanismturret lathes
921,985May 18, 1909B.M. HansonMechanism for shifting the cross-slides of lathesmetal lathes
927,525Jul. 13, 1909C.L. GrohmannVariable Speed Mechanismmetalworking variable speed mechanisms
945,387Jan. 04, 1910B.M. HansonMetal-working machineturret lathes
945,453Jan. 04, 1910B.M. HansonMechanism for actuating cross-slidesmetal lathes
945,454Jan. 04, 1910B.M. HansonFeed Arresting Devicemetal lathe accessories and attachments
945,455Jan. 04, 1910B.M. HansonReducing-machinemilling machines
945,456Jan. 04, 1910B.M. HansonMetal-working machinemetal lathes
948,697Feb. 08, 1910B.M. HansonGearingindustrial machine gearing
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