Trackball for a computer

Skip to: Description  ·  References Cited  · Patent History  ·  Patent History
Description

FIG. 1 is a front view of a trackball for a computer showing my new design;

FIG. 2 is a rear view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a top view thereof;

FIG. 6 is a bottom view thereof; and,

FIG. 7 is a perspective view thereof.

Referenced Cited
U.S. Patent Documents
D327674 July 7, 1992 Kuo
D387043 December 2, 1997 Cheng
D410638 June 8, 1999 Sheehan et al.
D411992 July 13, 1999 Willner et al.
5576733 November 19, 1996 Lo
5648798 July 15, 1997 Hamling
5680157 October 21, 1997 Bidiville et al.
5894303 April 13, 1999 Barr
Patent History
Patent number: D425046
Type: Grant
Filed: May 6, 1999
Date of Patent: May 16, 2000
Inventor: Charlotte Bering (DK-3220 Tisvildeleje)
Primary Examiner: Kay H. Chin
Law Firm: Browdy and Neimark
Application Number: 0/104,504
Classifications
Current U.S. Class: D14/1172; D14/114
International Classification: 1402;