Granted Patent
Utility
US 6,830,394 · App. 09/873,778
Keyboard having a track ball mechanism and a scroll mechanism
Inventors:
Chris F. Felcman, David Eichberger, Gary S. Landrum, Ty S. Rarick
Patented Case
View Patent ↗
Granted: Dec 14, 2004
Filed: Jun 4, 2001
Inventors
Chris F. Felcman
David Eichberger
Gary S. Landrum
Ty S. Rarick
Assignee (at issue)
Hewlett-Packard Development 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.