Granted Patent
Utility
US 4,584,203 · App. 06/579,836
Dough rolling process for laminated cookies
Inventors:
John G. DuVall, Charles E. Kirby, Suzanne L. Hardie
Patented Case
View Patent ↗
Granted: Apr 22, 1986
Filed: Feb 21, 1984
Inventors
John G. DuVall
Charles E. Kirby
Suzanne L. Hardie
Assignee (at issue)
The Procter & Gamble Company
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.