Granted Patent
Utility
US 4,976,253 · App. 07/464,168
Method and apparatus for burning gas in the combustion chamber of a fireplace
Inventors:
Thomas J. Beal, Tadeusz Karabin, Roy E. Mundy
Patented Case
View Patent ↗
Granted: Dec 11, 1990
Filed: Jan 12, 1990
Inventors
Thomas J. Beal
Tadeusz Karabin
Roy E. Mundy
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.