Granted Patent
Utility
US 6,127,878 · App. 09/225,664
Driver circuit with negative lower power rail
Inventors:
David R. Hanson, Gerhard Mueller
Patented Case
View Patent ↗
Granted: Oct 3, 2000
Filed: Jan 5, 1999
Inventors
David R. Hanson
Gerhard Mueller
Assignees (at issue)
Siemens Aktiengesellschaft
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.