Granted Patent
Utility
US 4,917,598 · App. 07/397,183
Fuel oil lamp and method of construction
Inventor:
Daniel Stoner
Patented Case
View Patent ↗
Granted: Apr 17, 1990
Filed: Aug 23, 1989
Inventor
Daniel Stoner
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.