Granted Patent
Utility
US 6,683,587 · App. 09/919,512
Switched mode digital logic method, system and apparatus for directly driving LCD glass
Inventor:
John K. Gulsen
Patented Case
View Patent ↗
Granted: Jan 27, 2004
Filed: Jul 31, 2001
Inventor
John K. Gulsen
Assignee (at issue)
Microchip Technology 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.