Granted Patent
Utility
US 5,867,071 · App. 08/911,677
High power transmitter employing a high power QAM modulator
Inventor:
Frank Chethik
Patented Case
View Patent ↗
Granted: Feb 2, 1999
Filed: Aug 15, 1997
Inventor
Frank Chethik
Assignee (at issue)
Lockheed Martin Aerospace Corp.
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.