Granted Patent
Utility
US 4,494,233 · App. 06/466,109
Method and apparatus for the detection and regeneration of a lost token in a token based data communications network
Inventors:
Richard G. Bahr, Paul B. Cohen
Patented Case
View Patent ↗
Granted: Jan 15, 1985
Filed: Feb 14, 1983
Inventors
Richard G. Bahr
Paul B. Cohen
Assignee (at issue)
Prime Computer, 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.