Granted Patent
Utility
US 5,703,319 · App. 08/549,160
Connector block for blast initiation systems
Inventors:
James E. Fritz, Thomas C. Tseka, Daniel P. Sutula, Jr.
Patented Case
View Patent ↗
Granted: Dec 30, 1997
Filed: Oct 27, 1995
Inventors
James E. Fritz
Thomas C. Tseka
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.