Granted Patent
Utility
US 4,782,324 · App. 07/047,203
Digital signal synthesizer
Inventor:
Marcos A. Underwood
Patented Case
View Patent ↗
Granted: Nov 1, 1988
Filed: May 6, 1987
Inventor
Marcos A. Underwood
Assignee (at issue)
Genrad, Inc.
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.