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Publication numberUSD320199 S
Publication typeGrant
Application numberUS 07/447,701
Publication dateSep 24, 1991
Filing dateDec 8, 1989
Publication number07447701, 447701, US D320199 S, US D320199S, US-S-D320199, USD320199 S, USD320199S
InventorsKanae Koh, Josef Bismanovsky
Original AssigneeLogitech, Inc.
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
US D320199 S
Abstract  available in
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  1. The ornamental design for a trackball, as shown and described.

FIG. 1 is a rear elevational view of a trackball showing our new design.

FIG. 2 is a top plan view thereof,

FIG. 3 is a right side elevational view thereof,

FIG. 4 is a top, front, right side perspective view thereof on an enlarged scale.

FIG. 5 is a left side elevational view thereof.

Non-Patent Citations
1Creative Computing, Jan. 1984, The Robo Stick, top of page.
U.S. ClassificationD14/417