Granted Patent
Utility
US 5,320,086 · App. 08/018,051
Direct vent gas appliance with vertical and horizontal venting
Inventors:
Thomas J. Beal, Albert Keith Teakell, Robert E. Cabrera
Patented Case
View Patent ↗
Granted: Jun 14, 1994
Filed: Feb 16, 1993
Inventors
Thomas J. Beal
Albert Keith Teakell
Robert E. Cabrera
Assignee (at issue)
Majco Building Specialties, L.P.
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.