Granted Patent
Utility
US 6,458,227 · App. 09/561,309
Propellant containing 3;6-BIS(1H-1,2,3,4-Tetrazol-5-ylamino)-1,2,4,5-tetrazine or salts thereof
Inventors:
Michael A. Hiskey, David E. Chavez, Darren Naud
Patented Case
View Patent ↗
Granted: Oct 1, 2002
Filed: Apr 28, 2000
Inventors
Michael A. Hiskey
David E. Chavez
Darren Naud
Assignee (at issue)
THE REGENTS OF THE UNIVERSITY OF CALIFORNIA
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.