Granted Patent
Utility
US 4,283,424 · App. 06/063,945
Frozen pizza crust and pizza suitable for microwave cooking
Inventors:
David Bone, Paula M. Manoski
Patented Case
View Patent ↗
Granted: Aug 11, 1981
Filed: Aug 6, 1979
Inventors
David Bone
Paula M. Manoski
Assignee (at issue)
The Quaker Oats 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.