Number | Name | Date | Kind |
---|---|---|---|
2597835 | Eksergian | May 1952 | |
4861113 | Imamura et al. | Aug 1989 |
Entry |
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1979 Tread Design Guide, p. 116, Weld Wheels White KC Star Wheel, top left center of page. |
Center Line Racing Wheels advertisement for "Turn 4", published prior to Feb. 1989. |