Granted Patent
Utility
US 4,076,123 · App. 05/696,935
Disposable plastic lid
Inventor:
Paul Davis
Patented Case
View Patent ↗
Granted: Feb 28, 1978
Filed: Jun 17, 1976
Inventor
Paul Davis
Assignee (at issue)
Sweetheart Plastics, 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.