Trick ball for throwing

Details Trick ball for throwing Trick ball for throwing

1990-11-29

1991-07-23

Marlo, George J.

Amusement devices: games

Aerial projectile game; game element or accessory therefor...

Target

273DIG20, 273 58A, 273 58K, A63B 3908

Patent

active

050337432

ABSTRACT:
A trick ball is provided with a single polar operture in tubular communication with each of a plurality of equatorial apertures which permit the ingress and egress of air when the ball is thrown. The movement of air through the apertures effects both random and predictable erratic ball movement.

REFERENCES:
patent: 3918717 (1975-11-01), Charves
patent: 4003574 (1977-01-01), MacDonald et al.
patent: 4006908 (1977-02-01), Minami
patent: 4874169 (1989-10-01), Litchfield
patent: 4930776 (1990-06-01), Newcomb et al.

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