Granted Patent
Utility
US 5,213,837 · App. 07/813,579
Instant grits
Inventors:
John George Mast, Jr., Bradley J. Wiersum, Franz X. Ecker
Patented Case
View Patent ↗
Granted: May 25, 1993
Filed: Dec 26, 1991
Inventors
John George Mast, Jr.
Bradley J. Wiersum
Franz X. Ecker
Assignee (at issue)
Martha White 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.