Granted Patent
Utility
US 5,218,161 · App. 07/695,846
Projectile wall barrage system
Inventor:
Scott Martin
Patented Case
View Patent ↗
Granted: Jun 8, 1993
Filed: May 6, 1991
Inventor
Scott Martin
Assignee (at issue)
Hughes Aircraft 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.