Granted Patent
Utility
US 6,147,209 · App. 07/989,369
Method for making new polycyclic polyamides as precursors for energetic polycyclic polynitramine oxidizers
Inventors:
Robert B. Wardle, Jerald C. Hinshaw
Patented Case
View Patent ↗
Granted: Nov 14, 2000
Filed: Dec 8, 1992
Inventors
Robert B. Wardle
Jerald C. Hinshaw
Assignee (at issue)
Cordant Technologies 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.