Patents for Henry W. Ringman


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


Quick search:	Patent number:	Patent Date:

Patents for Henry W. Ringman
Patents 1 - 2 of 2
Picture	Number	Date	Patentee	Title
	2,778,342	Jan. 22, 1957	H.W. Ringman	Poppet type valve distributing system for a servo-motor
	2,838,248	Jun. 10, 1958	H.W. Ringman	Rechipper