Granted Patent
Utility
US 6,037,643 · App. 09/024,093
Photocell layout for high-speed optical navigation microchips
Inventor:
Derek L. Knee
Patented Case
View Patent ↗
Granted: Mar 14, 2000
Filed: Feb 17, 1998
Inventor
Derek L. Knee
Assignee (at issue)
Hewlett-Packard Company, L.P.
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.