Granted Patent
Utility
US 5,274,839 · App. 07/834,587
Satellite communications system with the zero-db coupler
Inventors:
Ratnarajah Kularajah, Krishna Praba
Patented Case
View Patent ↗
Granted: Dec 28, 1993
Filed: Feb 12, 1992
Inventors
Ratnarajah Kularajah
Krishna Praba
Assignee (at issue)
General Electric 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.