1886 Patent for Frederick Winslow Taylor's Spoon-handled Tennis Racket : r/ tennis
World Intellectual Property Organization (WIPO) på Twitter: "#TBT to a 1891 “tennis racket” #patent. Might tennis players have used this kind of racket in early editions of the #USOpen? https://t.co/GUmVypvwqV" / Twitter
TENNIS BALL patent Digital Art by Dennson Creative - Pixels
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patent racket tennis' Poster by Aida Czyrnek | Displate
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