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All Patents in class 125/11.15
Patents 1 - 14 of 14
First set of recordsLast set of records
NumberDatePatenteeTitleType
686,599Nov. 12, 1901E.R. FellowsMachine for Grinding Gear Generating Cutterstool grinders
1,594,393Aug. 03, 1926P.F. VokalGrinding Wheel Dressing Attachmentgrinder dressers
1,733,090Oct. 22, 1929H.W. HolmesCenterless Grindergrinding machines
1,794,975Mar. 03, 1931R. MershonGrinding Machinegrinding machines
2,025,885Dec. 31, 1935L.F. Nenninger, F.S. HaasGrinding Machinegrinding machines
2,142,285Jan. 03, 1939H. PelphreyHob and Method of Manufacturegear cutting tools
2,207,804Jul. 16, 1940F.O. HoaglandDrill Grinderdrill sharpening machines
2,294,494Sep. 01, 1942J.C. WilsonGrinding Wheel Dressergrinder dressers
2,456,061Dec. 14, 1948G. HohwartDouble end center lapping machineslapping machines
2,623,337Dec. 30, 1952J.J. FallsUniversally adjustable protractor tool guidegrinding attachments
2,641,873Jun. 16, 1953F.S. HaasAutomatic Truing Mechanismgrinder dressers
2,853,993Sep. 30, 1958H.S. JakobsenStone Dressergrinder dressers
2,978,843Apr. 11, 1961B.H. Johnson, F.E. BirtchApparatus for Grinding Double-Enveloping Worm Elementsgear grinding machines
3,104,505Sep. 24, 1963J.L. SchohlThread Grinding Machinemetal lathe accessories and attachments
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