Granted Patent
Utility
US 5,316,320 · App. 07/853,489
Isolation gasket for critical service flow line applications
Inventor:
John V. Breaker
Patented Case
View Patent ↗
Granted: May 31, 1994
Filed: Mar 18, 1992
Inventor
John V. Breaker
Assignee (at issue)
Corrosion Control 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.