Granted Patent
Utility
US 4,366,483 · App. 06/203,215
Receiver and method for use with a four-arm spiral antenna
Inventors:
Gary L. Hagedon, John T. Brustad
Patented Case
View Patent ↗
Granted: Dec 28, 1982
Filed: Nov 3, 1980
Inventors
Gary L. Hagedon
John T. Brustad
Assignee (at issue)
General Dynamics Corp., Pomona Division
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.