| 1990 Tread Design Guide, p. 17, Bridgestone SF-406 Steel (S406) (P) Tire, second tire in from bottom right side of page. |
| 1990 Tread Design Guide, p. 62, Sears Roadhandler & Tire, bottom center of page. |
| 1990 Tread Design Guide, p. 103, Cooper Discoverer M/S Tire, second tire in from top left aide of page. |
| 1989 Tread Design Guide, p. 239, National-1100 Radial 78-70 Passenger Highway Tire, third row down from top, center of page. |
| 1991 Tire Design Guide p. 123 Michelin XCH4. |
| 1991 Tire Design Guide p. 123 Michelin XC All Terrain. |
Patent Grant
D336872
