Granted Patent
Utility
US 5,121,933 · App. 07/653,080
Gasket with improved sealing capabilities
Inventor:
Paul L. Silvers
Patented Case
View Patent ↗
Granted: Jun 16, 1992
Filed: Feb 8, 1991
Inventor
Paul L. Silvers
Assignee (at issue)
McCord Payen 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.