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Patents for Harry C. Kemper
Patents 16 - 27 of 27
Number	Date	Patentee	Title	Type
2,474,104	Jun. 21, 1949	H.C. Kemper, W.F. Groene	Drive Mechanism for Automatic Lathes	metalworking machine mechanisms
2,489,203	Nov. 22, 1949	H.C. Kemper, H.J. Siekmann	Automatic Lathe Feed Mechanism	metalworking machine mechanisms
2,492,229	Dec. 27, 1949	H.C. Kemper, R.K. Le Blond	Indicating Dial	machine tool controls
2,493,299	Jan. 03, 1950	H.C. Kemper, R.K. Le Blond	Hydraulic Gear Shifting Mechanism	metalworking machine mechanisms
2,502,792	Apr. 04, 1950	H.J. Siekmann, H.C. Kemper	Machine Tool Coolant Guard	metalworking machine mechanisms
2,519,794	Aug. 22, 1950	H.J. Siekmann, H.C. Kemper	Hydraulic Gear Shifting Mechanism	metalworking machine mechanisms
2,553,984	May 22, 1951	H.C. Kemper, H.J. Siekmann	Electric Duplicator Attachment for Lathes	metal lathe accessories and attachments
2,558,275	Jun. 26, 1951	N.D. Cooper, H.C. Kemper, H.J. Siekmann	Lathe Control Mechanism	machine tool controls
2,580,307	Dec. 25, 1951	R.K. Blond, H.C. Kemper	Milling machine feed drive transmission	milling machines
2,591,268	Apr. 01, 1952	R.K. Blond, H.C. Kemper	Milling machine transmission control mechanism	milling machines
2,660,932	Dec. 01, 1953	N.D. Cooper, H.C. Kemper	Automatic cycle machine tool	milling machines
2,865,242	Dec. 23, 1958	C.J. Hunt, H.C. Kemper	Handwheel Actuated Machine Tool Mechanism	metal lathe accessories and attachments

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