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Patents Grants
last 30 patents
Information
Patent Grant
Dual layer optical ball for pointing device
Patent number
6,218,659
Issue date
Apr 17, 2001
Logitech, Inc.
Marc Bidiville
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Pointing device utilizing a photodetector array
Patent number
6,124,587
Issue date
Sep 26, 2000
Logitech Inc.
Marc Bidiville
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Pointing device utilizing a photodector array
Patent number
5,854,482
Issue date
Dec 29, 1998
Logitech, Inc.
Marc Bidiville
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Pointing device utilizing a photodetector array
Patent number
5,703,356
Issue date
Dec 30, 1997
Logitech, Inc.
Marc Bidiville
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Pointing device with differential optomechanical sensing
Patent number
5,680,157
Issue date
Oct 21, 1997
Logitech, Inc.
Marc Bidiville
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Pointing device utilizing a photodetector array and controlled by a...
Patent number
5,578,817
Issue date
Nov 26, 1996
Logitech, Inc.
Marc Bidiville
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Cursor pointing device utilizing a photodetector array with target...
Patent number
5,288,993
Issue date
Feb 22, 1994
Logitech, Inc.
Marc Bidiville
G06 - COMPUTING CALCULATING COUNTING