Granted Patent
Utility
US 4,814,730 · App. 07/157,554
Quadrature combiner
Inventors:
William R. Via, Thomas S. Dominick
Patented Case
View Patent ↗
Granted: Mar 21, 1989
Filed: Feb 18, 1988
Inventors
William R. Via
Thomas S. Dominick
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.