Granted Patent
Utility
US 5,777,579 · App. 08/799,750
Low cost butler matrix modeformer circuit
Inventors:
Allan C. Goetz, Robert G. Riddle
Patented Case
View Patent ↗
Granted: Jul 7, 1998
Filed: Feb 13, 1997
Inventors
Allan C. Goetz
Robert G. Riddle
Assignee (at issue)
TRW Limited
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.