Granted Patent
Utility
US 5,192,828 · App. 07/851,045
Detonating cord and blasting cap connector block having a resilient free end cord latch
Inventors:
Dennis K. Austin, J. Donaldson Thomas
Patented Case
View Patent ↗
Granted: Mar 9, 1993
Filed: Mar 13, 1992
Inventors
Dennis K. Austin
J. Donaldson Thomas
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.