Granted Patent
Utility
US 4,647,968 · App. 06/677,523
Analog-to-digital conversion system as for a narrow bandwidth signal processor
Inventor:
Donald H. Willis
Patented Case
View Patent ↗
Granted: Mar 3, 1987
Filed: Dec 3, 1984
Inventor
Donald H. Willis
Assignee (at issue)
RCA Corporation
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.