Granted Patent
Utility
US 4,631,453 · App. 06/526,988
Triggerable ceramic gas tube voltage breakdown device
Inventors:
Alwyn A. DeSouza, Hans-Wolfgang Oertel
Patented Case
View Patent ↗
Granted: Dec 23, 1986
Filed: Aug 29, 1983
Inventors
Alwyn A. DeSouza
Hans-Wolfgang Oertel
Assignee (at issue)
Joslyn Mfg. and Supply Co.
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.