Granted Patent
Utility
US 5,081,981 · App. 07/550,116
Yellow flame gas fireplace burner assembly
Inventor:
Thomas J. Beal
Patented Case
View Patent ↗
Granted: Jan 21, 1992
Filed: Jul 9, 1990
Inventor
Thomas J. Beal
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.