Granted Patent
Utility
US 4,411,003 · App. 06/285,244
Multiple-loop adaptive delta modulator
Inventor:
James Su
Patented Case
View Patent ↗
Granted: Oct 18, 1983
Filed: Jul 20, 1981
Inventor
James Su
Assignee (at issue)
Communications Satellite 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.