Granted Patent
Utility
US 6,462,485 · App. 09/808,227
EL driver for small semiconductor die
Inventor:
Robert A. Kimball
Patented Case
View Patent ↗
Granted: Oct 8, 2002
Filed: Mar 14, 2001
Inventor
Robert A. Kimball
Assignee (at issue)
Durel 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.