Granted Patent
Utility
US 4,757,914 · App. 07/007,185
Laminated closure for a plastic container
Inventors:
Donald J. Roth, Ihab M. Hekal
Patented Case
View Patent ↗
Granted: Jul 19, 1988
Filed: Jan 27, 1987
Inventors
Donald J. Roth
Ihab M. Hekal
Assignee (at issue)
Continental Can Company, 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.