Granted Patent
Utility
US 4,616,664 · App. 06/244,729
Tobacco product
Inventor:
Richard D. Chumney, Jr.
Patented Case
View Patent ↗
Granted: Oct 14, 1986
Filed: Mar 17, 1981
Inventor
Richard D. Chumney, Jr.
Assignee (at issue)
American Brands LLC
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.