IP Library › Granted Patent US 5,543,821
Granted Patent Utility
US 5,543,821 · App. 08/277,696

Track ball mounted on keyboard

Inventors: Carlos Marchis, David McVicar, Robert Lathrop
Patented Case View Patent ↗
Granted: Aug 6, 1996 Filed: Jul 20, 1994
Inventors
Carlos Marchis
David McVicar
Robert Lathrop
Assignee (at issue)
LOGITECH, INC.

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Quick Facts
Patent No.
US 5,543,821
App. No.
08/277,696
Filed
1994-07-20
Granted
1996-08-06
Kind
A