Granted Patent
Utility
US 5,173,571 · App. 07/289,880
Projectile guide for telescoped ammunition
Inventor:
Donald N. Montgomery
Patented Case
View Patent ↗
Granted: Dec 22, 1992
Filed: Dec 27, 1988
Inventor
Donald N. Montgomery
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.