Granted Patent
Utility
US 5,924,696 · App. 08/794,685
Frangible pressure seal
Inventor:
Lynn Frazier
Patented Case
View Patent ↗
Granted: Jul 20, 1999
Filed: Feb 3, 1997
Inventor
Lynn Frazier
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.