Granted Patent
Utility
US 5,643,618 · App. 08/353,477
Apparatus for making multiple, complexly patterned extrudates
Inventors:
Peter A. Huberg, James N. Weinstein
Patented Case
View Patent ↗
Granted: Jul 1, 1997
Filed: Dec 9, 1994
Inventors
Peter A. Huberg
James N. Weinstein
Assignee (at issue)
General Mills, 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.