Amusement devices: games – Aerial projectile game; game element or accessory therefor... – Projectile backstop
Patent
1999-10-05
1991-10-29
Grieb, William H.
Amusement devices: games
Aerial projectile game; game element or accessory therefor...
Projectile backstop
273 58C, 273413, A63B 6900
Patent
active
050609467
ABSTRACT:
A training device for volleyball players which includes a generally L-shaped frame which is vertically adjustable. A volleyball is connected to the terminal end of the frame via a tether cord arrangement.
REFERENCES:
patent: 4022476 (1977-05-01), Barton
patent: 4865319 (1989-09-01), Drazinakis
patent: 4881742 (1989-11-01), Hargreave
patent: 4887821 (1989-12-01), Greene et al.
Dodd Thomas J.
Grieb William H.
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