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Publication numberUSD410638 S
Publication typeGrant
Application numberUS 29/087,783
Publication dateJun 8, 1999
Filing dateMay 8, 1998
Publication number087783, 29087783, US D410638 S, US D410638S, US-S-D410638, USD410638 S, USD410638S
InventorsPeter Sheehan, Cathal Loughnane
Original AssigneeLogitech Incorporated
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Optical trackball
US D410638 S
Abstract  available in
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  1. The ornamental design for an optical trackball, as shown and described.

FIG. 1 is a perspective view of an optical trackball showing our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front plan view thereof;

FIG. 4 is a left side plan view thereof;

FIG. 5 is a right side plan view thereof;

FIG. 6 is a rear plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US6556150Mar 24, 2000Apr 29, 2003Microsoft CorporationErgonomic computer input device
US6590564Mar 24, 2000Jul 8, 2003Microsoft CorporationErgonomic computer input device
U.S. ClassificationD14/409