Granted Patent
Utility
US 5,947,113 · App. 09/028,695
Direct vent gas appliance with vertical and horizontal venting
Inventors:
Thomas J. Beal, Albert Keith Teakell, Robert E. Cabrera, Michael E. Marusak
Patented Case
View Patent ↗
Granted: Sep 7, 1999
Filed: Feb 24, 1998
Inventors
Thomas J. Beal
Albert Keith Teakell
Robert E. Cabrera
Michael E. Marusak
Assignee (at issue)
The Majestic Products Company
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.