Granted Patent
Utility
US 5,555,543 · App. 08/367,645
Crossbar switch apparatus and protocol
Inventors:
Gregory F. Grohoski, Oscar Mitchell, Tung Nguyen, Yongjae Rim
Patented Case
View Patent ↗
Granted: Sep 10, 1996
Filed: Jan 3, 1995
Inventors
Gregory F. Grohoski
Oscar Mitchell
Tung Nguyen
Yongjae Rim
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.