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All Patents in class 29/33P
Patents 1 - 6 of 6
First set of recordsLast set of records
NumberDatePatenteeTitleType
1,617,606Feb. 15, 1927H.C. PierleMachine Toolmetalworking machines
1,835,591Dec. 08, 1931E.P. Bullard, Jr.Automatic Work Feeding and Chucking Means for Mulltiple Spindle Lathesmetalworking machine mechanisms
2,063,955Dec. 15, 1936B.P. SchiltzApparatus for machining metal partsmetalworking machines
2,088,119Jul. 27, 1937B.P. SchiltzMethod of machining metallic workpiecesmetalworking machines
2,202,878Jun. 04, 1940H.E. TautzDrill press guarddrill presses
2,807,973Oct. 01, 1957H.J. Siekmann, W.H. Meyer, administrator, W.R. Meyer, deceased (estate of)Apparatus for Manufacturing Crankshafts Automaticallycrankshaft lathes
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