Granted Patent
Utility
US 6,039,041 · App. 09/314,440
Methods of fabricating a vent/intake system for a fuel-fired, direct vent heating appliance
Inventor:
James T. Barth
Patented Case
View Patent ↗
Granted: Mar 21, 2000
Filed: May 19, 1999
Inventor
James T. Barth
Assignee (at issue)
SELKIRK CORPORATION
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.