Granted Patent
Utility
US 4,725,834 · App. 07/057,680
Reliable broadcast protocol for a token passing bus network
Inventors:
Jo-Mei Chang, Nicholas F. Maxemchuk
Patented Case
View Patent ↗
Granted: Feb 16, 1988
Filed: May 28, 1987
Inventors
Jo-Mei Chang
Nicholas F. Maxemchuk
Assignee (at issue)
American Telephone and Telegraph Company, AT&T Bell Laboratories
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.