Granted Patent
Utility
US 4,243,980 · App. 05/878,753
Antenna system for electronic security installations
Inventor:
George J. Lichtblau
Patented Case
View Patent ↗
Granted: Jan 6, 1981
Filed: Feb 17, 1978
Inventor
George J. Lichtblau
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.