Granted Patent
Utility
US 4,997,671 · App. 07/391,140
Chewy dog snacks
Inventor:
Henry A. Spanier
Patented Case
View Patent ↗
Granted: Mar 5, 1991
Filed: Aug 9, 1989
Inventor
Henry A. Spanier
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.