Granted Patent
Utility
US 5,423,263 · App. 08/222,076
Detonator-to-shock tube ignition transfer connector
Inventors:
Daniel C. Rontey, David W. Steedman
Patented Case
View Patent ↗
Granted: Jun 13, 1995
Filed: Apr 1, 1994
Inventors
Daniel C. Rontey
David W. Steedman
Assignee (at issue)
Dyno Nobel Inc.
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.