Granted Patent
Utility
US 4,823,136 · App. 07/013,490
Transmit-receive means for phased-array active antenna system using rf redundancy
Inventors:
Harvey C. Nathanson, Michael C. Driver, Michael W. Cresswell, Ronald G. Freitag, Donald K. Alexander, Daniel F. Yaw
Patented Case
View Patent ↗
Granted: Apr 18, 1989
Filed: Feb 11, 1987
Inventors
Harvey C. Nathanson
Michael C. Driver
Michael W. Cresswell
Ronald G. Freitag
Donald K. Alexander
Daniel F. Yaw
Assignee (at issue)
Westinghouse Electric Company LLC
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.