Granted Patent
Utility
US 5,880,919 · App. 08/881,422
Gas tube surge protector with interacting varistors
Inventors:
John J. Napiorkowski, Boyd G. Brower
Patented Case
View Patent ↗
Granted: Mar 9, 1999
Filed: Jun 24, 1997
Inventors
John J. Napiorkowski
Boyd G. Brower
Assignee (at issue)
Siecor 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.