Keonig, Senniger, Powers & Leavitt
Game racket and stringing means therefor
 A game racket with a metallic frame having a head formed with an external opening groove to receive a stringer strip of suitable flexible material that is positionable within the groove of the head frame so as to protect the strings forming the playing surface of the racket from contact with the metallic frame, and stringer strip retaining tabs in position between the stringer strip and the surfaces of the groove to resist removal of the stringer strip from the groove. 
A-T-O Inc.
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inventional additional inventional inventional inventional
Thomas E.
Brown