Granted Patent
Utility
US 4,533,561 · App. 06/431,873
Low-fat spread and process
Inventor:
John A. Ward
Patented Case
View Patent ↗
Granted: Aug 6, 1985
Filed: Sep 30, 1982
Inventor
John A. Ward
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.