Granted Patent
Utility
US 4,328,249 · App. 06/229,803
Method for treating gum base to improve shelf-life without need for antioxidants
Inventors:
Donald A. M. Mackay, Wayne J. Puglia
Patented Case
View Patent ↗
Granted: May 4, 1982
Filed: Jan 30, 1981
Inventors
Donald A. M. Mackay
Wayne J. Puglia
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.