Granted Patent
Utility
US 5,036,645 · App. 06/475,109
Method of making a recloseable package
Inventor:
Dean E. Schwarz
Patented Case
View Patent ↗
Granted: Aug 6, 1991
Filed: Feb 5, 1990
Inventor
Dean E. Schwarz
Assignee (at issue)
Oscar Mayer Foods 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.