Granted Patent
Utility
US 4,408,322 · App. 06/204,981
Method and apparatus for measuring signal to noise ratio in a TDMA communications system
Inventors:
Henry D. Chadwick, David W. Matthews
Patented Case
View Patent ↗
Granted: Oct 4, 1983
Filed: Nov 7, 1980
Inventors
Henry D. Chadwick
David W. Matthews
Assignee (at issue)
Satellite Business Systems
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.