Granted Patent
Utility
US 5,320,520 · App. 08/033,038
Gas burner assembly for simulating a natural log fire
Inventors:
James T. Barth, Glenn W. Kowald
Patented Case
View Patent ↗
Granted: Jun 14, 1994
Filed: Mar 18, 1993
Inventors
James T. Barth
Glenn W. Kowald
Assignee (at issue)
Eljer Industries
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.