Computer cursor control

- Itac Systems, Inc.
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Description

FIG. 1 is a perspective view of a computer cursor control incorporating my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a top view thereof;

FIG. 5 is a left side view thereof, the right side view being a mirror image of the left side view; and

FIG. 6 is a bottom view thereof.

Referenced Cited
U.S. Patent Documents
D283818 May 13, 1986 Skaggs
D288930 March 24, 1987 Barbera et al.
D289306 April 14, 1987 Burnstein et al.
4464652 August 7, 1984 Lapson et al.
4635496 January 13, 1987 McTyre
4754268 June 28, 1988 Mori
Other references
  • Measurement Systems, Inc-Brochure, 10-18-84, p. 17, (Model 622-20 Digital Output Trackball--lower right corner).
Patent History
Patent number: D302010
Type: Grant
Filed: Jul 21, 1986
Date of Patent: Jul 4, 1989
Assignee: Itac Systems, Inc. (Richardson, TX)
Inventors: Charles R. McLaughlin (Richardson, TX), Rodney Barclay (Richardson, TX)
Primary Examiner: Susan J. Lucas
Assistant Examiner: Freda S. Nunn
Law Firm: Richards, Harris, Medlock & Andrews
Application Number: 6/887,378
Classifications
Current U.S. Class: D14/114