Granted Patent
Utility
US 4,940,595 · App. 07/249,017
Controlling the texture of microwave brownies
Inventors:
John J. Yasosky, Patricia W. Hahn, William A. Atwell
Patented Case
View Patent ↗
Granted: Jul 10, 1990
Filed: Sep 26, 1988
Inventors
John J. Yasosky
Patricia W. Hahn
William A. Atwell
Assignee (at issue)
The Pillsbury 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.