Granted Patent
Utility
US 4,945,809 · App. 06/677,151
Liquid propellant gun
Inventors:
Melvin J. Bulman, David L. Maher
Patented Case
View Patent ↗
Granted: Aug 7, 1990
Filed: Nov 30, 1984
Inventors
Melvin J. Bulman
David L. Maher
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.