Digitizing stylus

- Summagraphics Corporation
Description

FIG. 1 is a front elevational view of a digitizing stylus showing our new design;

FIG. 2 is a left side elevational view, the right side being a mirror image thereof;

FIG. 3 is a bottom plan view;

FIG. 4 is a top plan view; and

FIG. 5 is a rear elevational view thereof.

Referenced Cited
U.S. Patent Documents
D238680 February 1976 Pulos et al.
D294263 February 16, 1988 Rodgers et al.
D307421 April 24, 1990 Tedham et al.
D312659 December 4, 1990 Oka
4184044 January 15, 1980 Zwerenz
4268730 May 19, 1981 Higgins et al.
4532376 July 30, 1985 Rockwell
4667182 May 19, 1987 Murphy
4707571 November 17, 1987 Clements et al.
Patent History
Patent number: D320787
Type: Grant
Filed: Feb 13, 1989
Date of Patent: Oct 15, 1991
Assignee: Summagraphics Corporation (Seymour, CT)
Inventors: William Valls (Harwinton, CT), Charles Merritt (Southport, CT)
Primary Examiner: Bruce W. Dunkins
Assistant Examiner: Martha Thompson
Law Firm: Rosen, Dainow & Jacobs
Application Number: 7/309,545
Classifications