Granted Patent
Utility
US 4,764,977 · App. 07/016,657
Reclosable plastic container
Inventor:
Kevin J. Wagers
Patented Case
View Patent ↗
Granted: Aug 16, 1988
Filed: Feb 19, 1987
Inventor
Kevin J. Wagers
Assignee (at issue)
THE DOW CHEMICAL 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.