All Patents in class 137/244


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


Quick search:	Patent number:	Patent Date:

All Patents in class 137/244
Patents 1 - 2 of 2
Picture	Number	Date	Patentee	Title
	2,336,603	Dec. 14, 1943	P.S. Russel, A.K. Foulds	Orifice Clearing Means
	2,416,267	Feb. 18, 1947	W.S. Landon	Automatic Orifice Cleaning Device