Number | Name | Date | Kind |
---|---|---|---|
4560168 | Aoyama | Dec 1985 | |
4744564 | Yamada | May 1988 | |
4946167 | Yamada | Aug 1990 | |
5092604 | Oka | Mar 1992 |
Entry |
---|
"Golf World", May 8, 1987, p. 5, Slazenger golf ball with small dimple clusters. |
"Wilson Staff TC Wound Surlyn three-piece ball" Golf Digest, Aug. 1989. |