Granted Patent
Utility
US 4,371,875 · App. 05/623,557
Projectile antenna
Inventor:
Wolfgang Keydel
Patented Case
View Patent ↗
Granted: Feb 1, 1983
Filed: Oct 20, 1975
Inventor
Wolfgang Keydel
Assignee (at issue)
Licentia Patent-Verwaltungs-GmbH
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.