Granted Patent
Utility
US 4,397,030 · App. 06/244,368
Digital communication system
Inventors:
Dietrich Becker, Firoz Kaderali, Roland Liebscher
Patented Case
View Patent ↗
Granted: Aug 2, 1983
Filed: Mar 16, 1981
Inventors
Dietrich Becker
Firoz Kaderali
Roland Liebscher
Assignee (at issue)
International Standard Electric 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.