Granted Patent
Utility
US 5,289,461 · App. 07/989,669
Interconnection method for digital multimedia communications
Inventor:
Richard H. J. de Nijs
Patented Case
View Patent ↗
Granted: Feb 22, 1994
Filed: Dec 14, 1992
Inventor
Richard H. J. de Nijs
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.