04399993 is referenced by 4 patents and cites 6 patents.

A sports racket having a handle portion and grip that is longer in length and equal to or smaller in diameter than a conventional racket so as to provide a racket which can be swung with a two-handed grip when hitting either a forehand or a backhand shot. The grip has an overall length equal to or greater than three hand widths of the player using the racket.

Title
Two handed tennis racket
Application Number
55322
Publication Number
4399993
Application Date
August 17, 1981
Publication Date
August 23, 1983
Inventor
Arthur K Melin
457 Country Club Dr., San Gabriel, 91778
CA, US
Agent
Christie Parker & Hale
IPC
A63B 49/08
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