Granted Patent
Utility
US 5,082,008 · App. 07/281,591
Smoking article
Inventor:
Robert R. Johnson
Patented Case
View Patent ↗
Granted: Jan 21, 1992
Filed: Dec 9, 1988
Inventor
Robert R. Johnson
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.