Granted Patent
Utility
US 4,252,830 · App. 06/049,536
Chewable calorie-free chewing gum base
Inventors:
Gary S. Kehoe, Wayne J. Puglia, Frank Witzel, Dominick R. Friello, Donald A. M. Mackay
Patented Case
View Patent ↗
Granted: Feb 24, 1981
Filed: Jun 18, 1979
Inventors
Gary S. Kehoe
Wayne J. Puglia
Frank Witzel
Dominick R. Friello
Donald A. M. Mackay
Assignee (at issue)
Lifesavers 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.