Granted Patent
Utility
US 5,716,658 · App. 08/500,465
Process of forming dough on a corrugated paperboard preform
Inventors:
Davis A. Donnelly, Harry K. Kralkow, Larry I. Kufahl, Thomas W. Fester
Patented Case
View Patent ↗
Granted: Feb 10, 1998
Filed: Jul 10, 1995
Inventors
Davis A. Donnelly
Harry K. Kralkow
Larry I. Kufahl
Thomas W. Fester
Assignee (at issue)
Dadco Diversified, 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.