Granted Patent
Utility
US 4,813,592 · App. 07/199,148
Sealing closure for lined drums
Inventor:
Michael D. Stolzman
Patented Case
View Patent ↗
Granted: Mar 21, 1989
Filed: May 26, 1988
Inventor
Michael D. Stolzman
Assignee (at issue)
International Precision Components 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.