Granted Patent
Utility
US 4,306,308 · App. 06/094,280
Symbols communication system
Inventor:
Edward J. Nossen
Patented Case
View Patent ↗
Granted: Dec 15, 1981
Filed: Nov 14, 1979
Inventor
Edward J. Nossen
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.