Electronic sensor pen

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Description

FIG. 1 is a top plan view of the electronic sensor pen showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a right side elevational view thereof, the left side being a mirror image;

FIG. 5 is a rear elevational view thereof.

Referenced Cited
U.S. Patent Documents
D143052 November 1945 Waldinger
D236271 August 1975 Herczog
D269445 June 21, 1983 Kruckel et al.
D275956 October 16, 1984 Culp
3937558 February 10, 1976 Mukai et al.
4034155 July 5, 1977 Muller et al.
Patent History
Patent number: D316253
Type: Grant
Filed: Jun 22, 1988
Date of Patent: Apr 16, 1991
Inventors: Martin P. Riddiford (London), Stephen O. Frazer (London), Seamus A. Sharkey (London)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Freda S. Nunn
Law Firm: Darby & Darby
Application Number: 7/210,107
Classifications
Current U.S. Class: D14/114