Granted Patent
Utility
US 4,983,971 · App. 07/372,990
Josephson analog to digital converter for low-level signals
Inventors:
John X. Przybysz, Clark A. Hamilton
Patented Case
View Patent ↗
Granted: Jan 8, 1991
Filed: Jun 29, 1989
Inventors
John X. Przybysz
Clark A. Hamilton
Assignee (at issue)
Westinghouse Electric Company LLC
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.