Granted Patent
Utility
US 4,844,248 · App. 07/038,861
Elasticized gusseted dish cover, method of making same and article of dispensing
Inventors:
Elizabeth A. Forberg, Ewald A. Kamp
Patented Case
View Patent ↗
Granted: Jul 4, 1989
Filed: Apr 15, 1987
Inventors
Elizabeth A. Forberg
Ewald A. Kamp
Assignee (at issue)
First Brands Corporation
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.