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Patents Granted on 1950-05-16
Patents 1 - 7 of 7
First set of recordsLast set of records
NumberDatePatenteeTitleType
D158,629May 16, 1950P. WeynandCombination Toolsocket wrenches
2,507,547May 16, 1950J.A. ShephardCam Forming Attachmentmilling machines
2,507,558May 16, 1950W. Schroeder, A.H. DallDynamic Balancing Mechanismmetalworking machine mechanisms
2,507,581May 16, 1950H.P. Baecker, W.P. McDonald, M.V. WatersSafety Device for Broaching Machinesbroaching machines
2,507,677May 16, 1950J.F. Harper, P.R. Nickerson, C.I. PackerPolishing machinebelt sanders
2,507,846May 16, 1950I.D. ZitzermanCrankpin Turning Toollathe tool holders and tool posts
2,508,224May 16, 1950F.Y. CarterFlow Restricting Devicerefrigeration apparatus
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