The names Swamper, Super Swamper TSL, Thornbird, SSR, Bogger, Radial Reptile, and Vampire are Trademarks of Interco Tire Corporation. In addition, all of the designs have U.S. and/or Foreign Design and/or Utility. Patents & Trademarks: 261257, 261576, 345950, 61104, 1124281, 1102636, 1206827, 186131, 308038, 618958681, 345950, 1147503, 412143, D589,530. April 2001, Interco Tire Corporation.