All Patents in class 254/313


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


Quick search:	Patent number:	Patent Date:

All Patents in class 254/313
Patents 1 - 2 of 2
Picture	Number	Date	Patentee	Title
	671,177	Apr. 02, 1901	J.V. Beekman	Derrick-engine
	710,954	Oct. 14, 1902	H.N. Covell	Drum-reversing device for winding-engines