All Patents in class 279/150


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All Patents in class 279/150
Patents 1 - 4 of 4
Picture	Number	Date	Patentee	Title
	2,119,986	Jun. 07, 1938	A.J. Dremel	Electric motor
	2,211,216	Aug. 13, 1940	J. Oster	Small power driven tool
	2,893,274	Jul. 07, 1959	F.H. Mueller	Tool Holder
	3,021,723	Feb. 20, 1962	R. Happe	Spindle locking means for portable tools