Granted Patent
Utility
US 5,892,172 · App. 08/841,431
Propellant system
Inventors:
Calvin T. Candland, James L. Kennedy
Patented Case
View Patent ↗
Granted: Apr 6, 1999
Filed: Apr 22, 1997
Inventors
Calvin T. Candland
James L. Kennedy
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.