All Patents in class 277/486


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


Quick search:	Patent number:	Patent Date:

All Patents in class 277/486
Patents 1 - 3 of 3
Picture	Number	Date	Patentee	Title
	238,935	Mar. 15, 1881	W.J. Liddell	Piston-packing
	693,777	Feb. 18, 1902	E. Berry	Steam or Other Piston
	924,789	Jun. 15, 1909	J. Rigg, J. Jones	Packing Device for Pistons, Piston Valves and the Like