Granted Patent
Utility
US 5,334,959 · App. 08/046,323
180 degree phase shifter bit
Inventors:
David Krafcsik, David Chan
Patented Case
View Patent ↗
Granted: Aug 2, 1994
Filed: Apr 15, 1993
Inventors
David Krafcsik
David Chan
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.