Granted Patent
Utility
US 5,117,129 · App. 07/598,300
CMOS off chip driver for fault tolerant cold sparing
Inventors:
Joseph A. Hoffman, Derwin Jallice, Yogishwar K. Puri, Randall Richards
Patented Case
View Patent ↗
Granted: May 26, 1992
Filed: Oct 16, 1990
Inventors
Joseph A. Hoffman
Derwin Jallice
Yogishwar K. Puri
Randall Richards
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.