All Patents in class 137/429


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


Quick search:	Patent number:	Patent Date:

All Patents in class 137/429
Patents 1 - 2 of 2
Number	Date	Patentee	Title	Type
4,775X	Jun. 01, 1827	I. Doolittle	Supplying boilers for steam engines	stationary boilers
2,592,913	Apr. 15, 1952	M.E. Landon, Administratrix, W.S. Landon, deceased (Estate of)	Liquid Level Control Means	liquid level controls