Granted Patent
Utility
US 5,659,149 · App. 08/576,004
Secure connector for blast initiation signal transfer
Inventor:
Daniel P. Sutula, Jr.
Patented Case
View Patent ↗
Granted: Aug 19, 1997
Filed: Jan 18, 1996
Inventor
Daniel P. Sutula, Jr.
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.