Patents Granted on 1831-04-20


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


Quick search:	Patent number:	Patent Date:

Patents Granted on 1831-04-20
Patents 1 - 5 of 5
Number	Date	Patentee	Title	Type
6,496X	Apr. 20, 1831	T.C. Smith, C. Curtis	Sheaves of blocks
6,497X	Apr. 20, 1831	R. Emes	Polishing, graining, etc. Morocco
6,498X	Apr. 20, 1831	J. Hale	Washing machine	washing machines
6,499X	Apr. 20, 1831	J. Hale	Toggle press	hay or straw presses
6,500X	Apr. 20, 1831	R. McCormick, Jr.	Grist mill, self stopper	grist mills