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Publication numberUSD289306 S
Publication typeGrant
Application numberUS 06/672,345
Publication dateApr 14, 1987
Filing dateNov 16, 1984
Publication number06672345, 672345, US D289306 S, US D289306S, US-S-D289306, USD289306 S, USD289306S
InventorsPhilip J. Burnstein, Syng N. Kim
Original AssigneeWico Distribution Company, L.P.
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
US D289306 S
Abstract  available in
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  1. The ornamental design for a trackball, as shown and described.

FIG. 1 is a top plan view of a trackball showing our new design;

FIG. 2 is an end elevational view of one end;

FIG. 3 is an end elevational view of the other end;

FIG. 4 is a bottom plan view;

FIG. 5 is a side elevational view of one side; and

FIG. 6 is a side elevational view of the other side.

Non-Patent Citations
1Computer Design, Jun. 1980, p. 21, upper right, Trackball.
U.S. ClassificationD14/417