Granted Patent
Utility
US 4,389,721 · App. 06/278,990
Time-division multiplex serial loop
Inventors:
William R. Young, Stanley R. Zepp
Patented Case
View Patent ↗
Granted: Jun 21, 1983
Filed: Jun 30, 1981
Inventors
William R. Young
Stanley R. Zepp
Assignee (at issue)
HARRIS 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.