Granted Patent
Utility
US 4,295,425 · App. 05/857,957
Rocket assisted projectile and cartridge arrangement with pressure relief skirt
Inventor:
William Davis
Patented Case
View Patent ↗
Granted: Oct 20, 1981
Filed: Dec 6, 1977
Inventor
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.