Granted Patent
Utility
US 4,930,423 · App. 07/300,638
Liquid propellant weapon system
Inventor:
Melvin J. Bulman
Patented Case
View Patent ↗
Granted: Jun 5, 1990
Filed: Dec 18, 1988
Inventor
Melvin J. Bulman
Assignee (at issue)
General Electric Company
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.