Granted Patent
Utility
US 4,222,071 · App. 05/972,408
Sensitivity information record
Inventors:
Alan E. Bell, Robert A. Bartolini
Patented Case
View Patent ↗
Granted: Sep 9, 1980
Filed: Dec 22, 1978
Inventors
Alan E. Bell
Robert A. Bartolini
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.