Granted Patent
Utility
US 4,528,423 · App. 06/571,744
Remote subscriber terminal unit
Inventors:
Rolland James, Ronald J. Chebra
Patented Case
View Patent ↗
Granted: Jul 9, 1985
Filed: Jan 18, 1984
Inventors
Rolland James
Ronald J. Chebra
Assignee (at issue)
Base Ten Systems, Inc.
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.