Search Images Maps Play YouTube News Gmail Drive More »
Sign in
Screen reader users: click this link for accessible mode. Accessible mode has the same essential features but works better with your reader.


  1. Advanced Patent Search
Publication numberUSD338883 S
Publication typeGrant
Application numberUS 07/770,284
Publication dateAug 31, 1993
Filing dateOct 1, 1991
Publication number07770284, 770284, US D338883 S, US D338883S, US-S-D338883, USD338883 S, USD338883S
InventorsTino Melzer, Daniel Harden
Original AssigneeLogitech, Inc.
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Track ball
US D338883 S
Abstract  available in
Previous page
Next page
  1. The ornamental design for a track ball, as shown and described.

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

FIG. 2 is a left side elevational view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof;

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

FIG. 7 is a rear elevational view thereof.

Non-Patent Citations
1Softwarehouse Catalog item Mouse SystemsŪ Trackball, p. 29, Winter '89-'90.
U.S. ClassificationD14/402