Granted Patent
Utility
US 5,124,981 · App. 07/494,636
Access control method for DQDB network
Inventor:
Neville L. Golding
Patented Case
View Patent ↗
Granted: Jun 23, 1992
Filed: Mar 9, 1990
Inventor
Neville L. Golding
Assignee (at issue)
International Business Machines 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.