Granted Patent
Utility
US 4,852,458 · App. 07/150,351
Liquid propellant weapon system
Inventor:
Melvin J. Bulman
Patented Case
View Patent ↗
Granted: Aug 1, 1989
Filed: Dec 16, 1987
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.