Granted Patent
Utility
US 4,485,477 · App. 06/399,879
Fast frequency/code search
Inventor:
Edward J. Nossen
Patented Case
View Patent ↗
Granted: Nov 27, 1984
Filed: Jul 19, 1982
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.