Granted Patent
Utility
US 4,753,593 · App. 07/098,963
Fuel burner assembly
Inventor:
Paul A. Mutchler
Patented Case
View Patent ↗
Granted: Jun 28, 1988
Filed: Sep 21, 1987
Inventor
Paul A. Mutchler
Assignee (at issue)
Engineered Air Systems
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.