Granted Patent
Utility
US 4,851,856 · App. 07/156,042
Flexible diaphragm cooling device for microwave antennas
Inventor:
Frank E. Altoz
Patented Case
View Patent ↗
Granted: Jul 25, 1989
Filed: Feb 16, 1988
Inventor
Frank E. Altoz
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.