Granted Patent
Utility
US 6,831,662 · App. 10/087,369
Apparatus and methods to achieve a variable color pixel border on a negative mode screen with a passive matrix drive
Inventors:
David W. Lum, Yichang Chan
Patented Case
View Patent ↗
Granted: Dec 14, 2004
Filed: Feb 28, 2002
Inventors
David W. Lum
Yichang Chan
Assignee (at issue)
palmOne, Incorporated
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.