Granted Patent
Utility
US 5,147,978 · App. 07/747,011
Main propellant ignition liner for cased telescoped ammunition
Inventors:
James Northrup, Brian B. Tasson
Patented Case
View Patent ↗
Granted: Sep 15, 1992
Filed: Aug 19, 1991
Inventors
James Northrup
Brian B. Tasson
Assignee (at issue)
Alliant Techsystems 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.