Games using tangible projectile – Playing field or court game; game element or accessory... – Practice or training device
Patent
1996-05-15
1997-06-03
Grieb, William H.
Games using tangible projectile
Playing field or court game; game element or accessory...
Practice or training device
473575, A63B 6512
Patent
active
056346433
ABSTRACT:
A new Sock Ball Game System for decreasing the velocity and increasing the visibility of a ball during play and for preventing the ball from rolling away after engaging the ground. The inventive device includes a ball such as a tennis ball, and an elongated sock enclosure surrounding the ball and trailing behind the ball during play.
REFERENCES:
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patent: 2140411 (1938-12-01), Wood
patent: 4034981 (1977-07-01), Veneziano
patent: 4240629 (1980-12-01), Song et al.
patent: 4295647 (1981-10-01), Daly
patent: 4453072 (1984-06-01), Middleton, Jr. et al.
patent: 5348293 (1994-09-01), Smith
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