Granted Patent
Utility
US 5,221,551 · App. 07/798,380
Dry food mix and method
Inventor:
Susan D. Fencl
Patented Case
View Patent ↗
Granted: Jun 22, 1993
Filed: Nov 26, 1991
Inventor
Susan D. Fencl
Assignee (at issue)
Kraft General Foods, 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.