Optical trackball
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Description
FIG. 1 is a perspective view of a mouse showing our new design;
FIG. 2 is a top plan view thereof;
FIG. 3 is a front view thereof;
FIG. 4 is a left side view, the right side view is a mirror image thereof;
FIG. 5 is a rear view thereof; and,
FIG. 6 is a bottom plan view thereof.
Claims
The ornamental design for a optical trackball, as shown and described.
Referenced Cited
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Patent History
Patent number: D442961
Type: Grant
Filed: May 8, 1998
Date of Patent: May 29, 2001
Assignee: Logitech, Incorporated (Fremont, CA)
Inventors: Peter Sheehan (Bray), Cathal Loughnane (Dublin)
Primary Examiner: M. H. Tung
Attorney, Agent or Law Firm: Fenwick & West LLP
Application Number: 29/087,796
Type: Grant
Filed: May 8, 1998
Date of Patent: May 29, 2001
Assignee: Logitech, Incorporated (Fremont, CA)
Inventors: Peter Sheehan (Bray), Cathal Loughnane (Dublin)
Primary Examiner: M. H. Tung
Attorney, Agent or Law Firm: Fenwick & West LLP
Application Number: 29/087,796
Classifications