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All Patents in class 29/33P
Patents 1 - 4 of 4
First set of recordsLast set of records
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 Lathesmachine mechanisms
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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