Amusement devices: games – Board games – pieces – or boards therefor – Electrical
Patent
1986-03-20
1988-03-08
Marlo, George J.
Amusement devices: games
Board games, pieces, or boards therefor
Electrical
A63B 3712
Patent
active
047295678
ABSTRACT:
A golf ball provided with two to four different sizes of dimples in the form of a 20-12 hedron and having different diameters from each other which vary in a ratio of 1.25-1.50, with the dimples being equally spaced over the entire surface of the golf ball, such that the flow of the air at every cross section crossing at right angles to the rotational axis of the golf ball is made equal, and at the same time, the angular difference between separation points of the dimples is minimized.
REFERENCES:
patent: 4090716 (1978-05-01), Martin et al.
patent: 4560168 (1985-12-01), Aoyama
Oka Kengo
Yamada Kaname
Marlo George J.
Sumitomo Rubber Industries Ltd.
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