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

Quick search:	Patent number:	Patent Date:

All Patents in class 234/100
Patents 1 - 3 of 3
Number	Date	Patentee	Title	Type
409,324	Aug. 20, 1889	C.C. Hill	Perforating-stamp	office worker
433,003	Jul. 29, 1890	C.C. Hill	Perforating-stamp	office worker
486,858	Nov. 29, 1892	B.F. Cummins	Perforating-stamp	office worker

Toggle print mode
Show pictures

Copyright © 2002-2025 - DATAMP