Granted Patent
Utility
US 5,067,894 · App. 07/433,230
Oil burner assembly
Inventor:
Glenn Bender
Patented Case
View Patent ↗
Granted: Nov 26, 1991
Filed: Nov 8, 1989
Inventor
Glenn Bender
Assignee (at issue)
Shenandoah Manufacturing Partners
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.