Granted Patent
Utility
US 5,327,721 · App. 07/950,869
Ejector ramjet
Inventor:
Melvin J. Bulman
Patented Case
View Patent ↗
Granted: Jul 12, 1994
Filed: Sep 24, 1992
Inventor
Melvin J. Bulman
Assignee (at issue)
AEROJET-GENERAL CORPORATION
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.