Tennis score keeper

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Description

FIG. 1 is a front elevation of a tennis score keeper showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a perspective view thereof; and

FIG. 4 is a right side elevation thereof.

Referenced Cited
U.S. Patent Documents
3722461 March 1973 Forman
3730131 May 1973 Izzo
3777699 December 1973 Pfleger
4097855 June 27, 1978 Salvo
4189143 February 19, 1980 Van Auken et al.
4738449 April 19, 1988 Droz
Patent History
Patent number: D318628
Type: Grant
Filed: Sep 26, 1988
Date of Patent: Jul 30, 1991
Inventor: N. O. Ralston (Amarillo, TX)
Primary Examiner: Bernard Ansher
Assistant Examiner: Prabhakar Deshmukh
Law Firm: Nydegger & Associates
Application Number: 7/249,967
Classifications
Current U.S. Class: D10/461