Granted Patent
Utility
US 5,848,604 · App. 08/960,614
Thermally responsive pressure relief system
Inventor:
John Eihusen
Patented Case
View Patent ↗
Granted: Dec 15, 1998
Filed: Oct 29, 1997
Inventor
John Eihusen
Assignee (at issue)
Technical Products Group, 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.