Bowling ball

Details Bowling ball Bowling ball

1985-03-11

1986-09-23

Marlo, George J.

Amusement devices: games

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

Target

273 63D, A63B 3714

Patent

active

046131370

ABSTRACT:
A bowling ball having an outer shell comprised of at least two regions defining the outer surface of the ball, one region of a material having a predetermined surface hardness and the other region of a material having a softer surface hardness. The regions are disposed relative to each other such that rolling is effected on the softer surface and the harder surface is oriented in a pin engaging direction as the ball rolls.

REFERENCES:
patent: 1849414 (1932-03-01), Turnbull
patent: 2839301 (1958-06-01), Hunter
patent: 3400929 (1968-09-01), Fabanich
patent: 3924856 (1975-12-01), DeKan et al.
patent: 4131277 (1978-12-01), Randolph
patent: 4133527 (1979-01-01), Price
patent: 4268034 (1981-05-01), MacDonald
patent: 4309377 (1982-01-01), Miller, Jr. et al.
patent: 4461478 (1984-07-01), Lee et al.
patent: 4522397 (1985-06-01), Miller et al.
"Every Bowler's Training Manual", by Charles Robby Robinson and William H. Stanton, P.O. Box No. 3843, Glendale, Calif. 91201 (1966) pp. 102 & 103 & 104.
"Bowling", p. 28, publication date is before Jul. 1975.

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