Granted Patent
Utility
US 5,534,889 · App. 08/119,422
Circuit for controlling bias voltage used to regulate contrast in a display panel
Inventors:
Daniel B. Reents, Patrick R. Cooper, James H. Garrett, Philip McKenzie
Patented Case
View Patent ↗
Granted: Jul 9, 1996
Filed: Sep 10, 1993
Inventors
Daniel B. Reents
Patrick R. Cooper
James H. Garrett
Philip McKenzie
Assignee (at issue)
Compaq Computer 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.