Granted Patent
Utility
US 6,382,232 · App. 09/801,821
Remote triggering system and retrofit kit for thermal-pressure relief devices
Inventor:
Heinz Portmann
Patented Case
View Patent ↗
Granted: May 7, 2002
Filed: Mar 9, 2001
Inventor
Heinz Portmann
Assignee (at issue)
DYNETEK INDUSTRIES LTD.
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.