Granted Patent
Utility
US 5,501,151 · App. 08/327,204
Alternate signal path isolation member and non-electric detonator cap including the same
Inventors:
Gary R. Thureson, Eric R. Davis, Steven R. Pellon, Alvaro Zappalorti, Ernest L. Gladden
Patented Case
View Patent ↗
Granted: Mar 26, 1996
Filed: Oct 21, 1994
Inventors
Gary R. Thureson
Eric R. Davis
Steven R. Pellon
Alvaro Zappalorti
Ernest L. Gladden
Assignee (at issue)
The Ensign-Bickford Company
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.