Granted Patent
Utility
US 5,652,534 · App. 08/576,328
Precision digital phase shifter
Inventors:
Stephen D. Taylor, Steve I. Hsu, Howard S. Nussbaum, William P. Posey
Patented Case
View Patent ↗
Granted: Jul 29, 1997
Filed: Dec 21, 1995
Inventors
Stephen D. Taylor
Steve I. Hsu
Howard S. Nussbaum
William P. Posey
Assignee (at issue)
Hughes Aircraft Company
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.