Granted Patent
Utility
US 4,631,387 · App. 06/761,944
Aroma generating apparatus with electrical heating element
Inventor:
Dov Z. Glucksman
Patented Case
View Patent ↗
Granted: Dec 23, 1986
Filed: Aug 2, 1985
Inventor
Dov Z. Glucksman
Assignee (at issue)
Environmental Fragrance Technologies, Ltd.
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.