Amusement devices: games – Aerial projectile game; game element or accessory therefor... – Target
Patent
1989-05-24
1991-06-11
Coven, Edward M.
Amusement devices: games
Aerial projectile game; game element or accessory therefor...
Target
273 73R, A63B 4900
Patent
active
050226517
ABSTRACT:
A device for changing the vibrations in the striking surface of a hand held sporting racquet having strings, the device comprising a block of one or more rigid materials having a cut-out mounting groove along the periphery of the block so as to have the block engage a set of adjacent strings when inserted between strings on the striking surface of the sporting racquet.
REFERENCES:
patent: 3884467 (1975-12-01), Sommer
Chiu Raleigh W.
Coven Edward M.
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