All Patents in class 166/230


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


Quick search:	Patent number:	Patent Date:

All Patents in class 166/230
Patents 1 - 2 of 2
Picture	Number	Date	Patentee	Title
	90,787	Jun. 01, 1869	W.P. Smith, L.M. Rumsey	Improved drill for rock and earth with attached tube
	156,488	Nov. 03, 1874	S. Males	Improvement in strainers