Granted Patent
Utility
US 4,641,142 · App. 06/594,598
TACAN beacon
Inventors:
Gerhard Greving, Gunther Hofgen, Rudiger Zeitz
Patented Case
View Patent ↗
Granted: Feb 3, 1987
Filed: Mar 29, 1984
Inventors
Gerhard Greving
Gunther Hofgen
Rudiger Zeitz
Assignee (at issue)
International Standard Electric Corporation
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.