Patents Granted on 1814-01-28


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


Quick search:	Patent number:	Patent Date:

Patents Granted on 1814-01-28
Patents 1 - 1 of 1
Number	Date	Patentee	Title	Type
2,054X	Jan. 28, 1814	J.C. Brush	Chimney fire places, air-flues, and ventilators, on the principle of dense air seeking, like water, its level