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Publication numberUSD335658 S
Publication typeGrant
Application numberUS 07/770,282
Publication dateMay 18, 1993
Filing dateOct 1, 1991
Publication number07770282, 770282, US D335658 S, US D335658S, US-S-D335658, USD335658 S, USD335658S
InventorsTimothy C. Barry
Original AssigneeMicrospeed Incorporated
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Track ball for computer system cursor control
US D335658 S
Abstract  available in
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  1. The ornamental design for a track ball for computer system cursor control, as shown and described.

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

FIG. 2 is a side elevational view thereof the opposite side being a mirror image thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a front elevatioanl view thereof; and,

FIG. 5 is a bottom plan view thereof.

Non-Patent Citations
1Softwarehouse catalog item Mouse SystemsŪ trackball, p. 29, winter '89-'90.
U.S. ClassificationD14/417