Granted Patent
Utility
US 4,825,518 · App. 07/134,623
Method of manufacturing FIN stabilized armor-penetrating tracer projectiles
Inventors:
Randall L. Schiestl, Paul D. Ruffle
Patented Case
View Patent ↗
Granted: May 2, 1989
Filed: Dec 17, 1987
Inventors
Randall L. Schiestl
Paul D. Ruffle
Assignee (at issue)
Honeywell Limited
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.