Granted Patent
Utility
US 5,015,488 · App. 07/362,472
Cookie production with extrusion heat treatment and post extrusion mixing and baking
Inventors:
Bernhard H. van Lengerich, Cathryn C. Warren
Patented Case
View Patent ↗
Granted: May 14, 1991
Filed: Jun 7, 1989
Inventors
Bernhard H. van Lengerich
Cathryn C. Warren
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.