Combined trackball and mouse

Description

FIG. 1 is a perspective view showing my new design for a combined trackball and mouse;

FIG. 2 is a side view thereof, the opposite side is a mirror image;

FIG. 3 is a top plan view thereof;

FIG. 4 is a front view thereof;

FIG. 5 is a rear view thereof; and,

FIG. 6 is a bottom plan view thereof.

The broken line drawing of the cord in FIGS. 1-3, 6 is for illustrative purposes only and forms no part of the claimed design.

Referenced Cited
U.S. Patent Documents
D289306 April 14, 1987 Burnstein et al.
D291318 August 11, 1987 Kim
4862165 August 29, 1989 Gant
4952919 August 28, 1990 Nippoldt
5045842 September 3, 1991 Galvin
Patent History
Patent number: D346373
Type: Grant
Filed: Sep 4, 1992
Date of Patent: Apr 26, 1994
Inventor: Alan H. Grant (Chevy Chase, MD)
Primary Examiner: Wallace R. Burke
Assistant Examiner: M. H. Tung
Law Firm: Jacobson, Price, Holman & Stern
Application Number: 7/941,194
Classifications
Current U.S. Class: D14/114