Granted Patent
Utility
US 4,397,240 · App. 06/168,948
Rocket assisted projectile and cartridge with time delay ignition and sealing arrangement
Inventors:
Mark Rottenberg, William Davis
Patented Case
View Patent ↗
Granted: Aug 9, 1983
Filed: Jul 11, 1980
Inventors
Mark Rottenberg
William Davis
Assignee (at issue)
AAI 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.