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

Quick search:	Patent number:	Patent Date:

Patents for Johann Hardt
Patents 1 - 2 of 2
Picture	Number	Date	Patentee	Title
	1,411,493	Apr. 04, 1922	J. Hardt	Compass for Drawing Ellipses
	1,431,654	Oct. 10, 1922	J. Hardt	Compasses For Drawing Oviform Curves

Toggle print mode
Hide pictures

Copyright © 2002-2025 - DATAMP