Hand operated computer display control

- Microspeed, Inc.
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Description

FIG. 1 is a top, front, right side perspective view of a hand operated computer display control showing our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a front elevational view thereof;

FIGS. 6 and 7 are, respectively, right and left side elevational views thereof.

Referenced Cited
U.S. Patent Documents
D285445 September 2, 1986 Davis et al.
D291318 August 11, 1987 Kim
D292600 November 3, 1987 Wagner
D302010 July 4, 1989 McLaughlin et al.
4471409 September 11, 1984 Dittrich
Patent History
Patent number: D313589
Type: Grant
Filed: Jul 24, 1987
Date of Patent: Jan 8, 1991
Assignee: Microspeed, Inc. (Fremont, CA)
Inventors: John K. Martinelli (Fremont, CA), Timothy C. Barry (Fremont, CA)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Freda S. Nunn
Law Firm: Skjerven, Morrill, MacPherson, Franklin & Friel
Application Number: 7/77,558
Classifications
Current U.S. Class: D14/114