Patents Granted on 1942-03-31


	Home\| FAQ	Search:Advanced\|Person\|Company\| Type\|Class	Login


Quick search:	Patent number:	Patent Date:

Patents Granted on 1942-03-31
Patents 1 - 4 of 4
Number	Date	Patentee	Title	Type
2,278,216	Mar. 31, 1942	C.A. Rich	Machine Tool
2,278,262	Mar. 31, 1942	W.G. Hoelscher	Counterweight Mechanism for Drill Spindles	metalworking machine mechanisms
2,278,263	Mar. 31, 1942	W.G. Hoelscher	Speed Indicator Means	metal lathe mechanisms
2,278,267	Mar. 31, 1942	O.G. Holmes	Collet	collets and collet holders