Amusement devices: games – Board games – pieces – or boards therefor – Rotatably mounted board
Patent
1977-03-17
1978-10-31
Lieberman, Allan
Amusement devices: games
Board games, pieces, or boards therefor
Rotatably mounted board
260 37N, 26099814, 273235R, 273DIG8, 528 63, 528 65, A63B 3702, A63B 3708, A63B 3712
Patent
active
041230612
ABSTRACT:
A polyurethane golf ball is disclosed. The golf ball comprises a core and a cover at least one of which is a polyether urethane prepolymer with a curing agent selected from the group consisting of trifunctional polyols, tetrafunctional polyols and amine-type curing agents having at least two reactive amine groups.
REFERENCES:
patent: 2729618 (1956-01-01), Muller et al.
patent: 3034791 (1962-05-01), Gallagher
patent: 3238156 (1966-03-01), Kohrn
patent: 3395109 (1968-07-01), Molitor et al.
patent: 3454280 (1969-07-01), Harrison et al.
patent: 3647221 (1972-03-01), Holley
patent: 3979126 (1976-09-01), Dusbiber
Acushnet Company
Lieberman Allan
LandOfFree
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