Granted Patent
Utility
US 5,161,156 · App. 07/474,440
Multiprocessing packet switching connection system having provision for error correction and recovery
Inventors:
Richard I. Baum, Charles H. Brotman, James Walter Rymarczyk
Patented Case
View Patent ↗
Granted: Nov 3, 1992
Filed: Feb 2, 1990
Inventors
Richard I. Baum
Charles H. Brotman
James Walter Rymarczyk
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.