Granted Patent
Utility
US 4,582,707 · App. 06/686,187
Non-sticking chewing gum
Inventor:
Frank P. Calabro
Patented Case
View Patent ↗
Granted: Apr 15, 1986
Filed: Dec 26, 1984
Inventor
Frank P. Calabro
Assignee (at issue)
Nabisco Brands, Inc.
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.