Patents for B. P. Grinnell


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


Quick search:	Patent number:	Patent Date:

Patents for B. P. Grinnell
Patents 1 - 2 of 2
Number	Date	Patentee	Title	Type
4,692X	Mar. 03, 1827	H.P. Babbit, S. Davis, B.P. Grinnell	Making watch seals	trade specific
4,700X	Mar. 07, 1827	J. Rainey	Spring hammer for blacksmiths	blacksmith