Granted Patent
Utility
US 5,639,485 · App. 08/241,321
Apparatus for making a complexly patterned extrudate
Inventors:
James N. Weinstein, Scott A. Tolson
Patented Case
View Patent ↗
Granted: Jun 17, 1997
Filed: May 11, 1994
Inventors
James N. Weinstein
Scott A. Tolson
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.