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Publication numberUSD331398 S
Publication typeGrant
Application numberUS 07/786,877
Publication dateDec 1, 1992
Filing dateOct 30, 1991
Publication number07786877, 786877, US D331398 S, US D331398S, US-S-D331398, USD331398 S, USD331398S
InventorsRichard Clouss, Daniel Harden, Tino Melzer
Original AssigneeLogitech, Inc.
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Track ball
US D331398 S
Abstract  available in
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  1. The ornamental design for a track ball, as shown and described.

FIG. 1 is a perspective view of a track ball showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is front elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a left side elevational view thereof;

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

FIG. 7 is a bottom plan view thereof.

Non-Patent Citations
1Businessland catalog item Kensington Turbo Mouse, p. 22, 1988.
Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US7446270Dec 28, 2006Nov 4, 2008General Electric CompanyInterlock assemblies for circuit breakers
US20080149467 *Dec 28, 2006Jun 26, 2008General Electric CompanyInterlock assemblies for circuit breakers
U.S. ClassificationD14/417