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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
Images(2)
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Claims(1)
  1. The ornamental design for an optical trackball, as shown and described.
Description

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
Classifications
U.S. ClassificationD14/409