Granted Patent
Utility
US 4,399,154 · App. 06/373,584
Coextruded chewing gum
Inventors:
Wayne J. Puglia, Sigismondo DeTora, Donald A. M. Mackay
Patented Case
View Patent ↗
Granted: Aug 16, 1983
Filed: Apr 30, 1982
Inventors
Wayne J. Puglia
Sigismondo DeTora
Donald A. M. Mackay
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.