Granted Patent
Utility
US 4,619,722 · App. 06/530,956
Propellant material with oxidizer reduction to lead oxide
Inventor:
Frank A. Marion
Patented Case
View Patent ↗
Granted: Oct 28, 1986
Filed: Sep 12, 1983
Inventor
Frank A. Marion
Assignee (at issue)
UNIVERSAL PROPULSION COMPANY, 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.