Tennis teaching aid
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The broken lines in the drawing figures illustrating logo indicia depict environment and form no part of the claimed design.
Claims
The ornamental design for a tennis teaching aid, as shown and described.
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Type: Grant
Filed: Nov 18, 2016
Date of Patent: Jan 15, 2019
Assignee: TOPSPINPRO LTD. (London)
Inventors: Phillip Reitz Hofmeyr (London), Stephen Marshall-Rees (Swansea)
Primary Examiner: Michael A. Pratt
Assistant Examiner: Wendy L Arminio
Application Number: 29/584,895