Granted Patent
Utility
US 4,832,597 · App. 07/159,110
Gas burner
Inventor:
Harold A. McMaster
Patented Case
View Patent ↗
Granted: May 23, 1989
Filed: Feb 23, 1988
Inventor
Harold A. McMaster
Assignee (at issue)
Glasstech International 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.