Granted Patent
Utility
US 4,444,214 · App. 06/264,276
Replaceable rupture disc cartridge arrangement
Inventor:
Herman L. Paul, Jr.
Patented Case
View Patent ↗
Granted: Apr 24, 1984
Filed: May 18, 1981
Inventor
Herman L. Paul, Jr.
Assignee (at issue)
Continental Disc 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.