Granted Patent
Utility
US 4,434,423 · App. 06/355,514
Doppler VOR
Inventor:
Werner Kautz
Patented Case
View Patent ↗
Granted: Feb 28, 1984
Filed: Mar 8, 1982
Inventor
Werner Kautz
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.