Granted Patent
Utility
US 4,769,646 · App. 06/584,273
Antenna system and dual-fed lenses producing characteristically different beams
Inventors:
Peter E. Raber, John Cross
Patented Case
View Patent ↗
Granted: Sep 6, 1988
Filed: Feb 27, 1984
Inventors
Peter E. Raber
John Cross
Assignee (at issue)
UNITED TECHNOLOGIES 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.