Granted Patent
Utility
US 4,951,237 · App. 07/184,642
Direct digital synthesizer with selectably randomized accumulator
Inventor:
Kenneth A. Essenwanger
Patented Case
View Patent ↗
Granted: Aug 21, 1990
Filed: Apr 22, 1988
Inventor
Kenneth A. Essenwanger
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.