TREA

William G. Perkins

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  • Akron, OH, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Pneumatic tire and innerliner and method for manufacture
    • Patent number H2068
    • Issue date Jul 1, 2003
    • The Goodyear Tire & Rubber Company
    • John Darrell Carter
    • 152 - Resilient tires and wheels
  • Information Patent Grant

    Fast heatup polyesters using graphite as an additive
    • Patent number 6,034,167
    • Issue date Mar 7, 2000
    • Shell Oil Company
    • William Chung-Tsing Tung
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Cellularized polyesters
    • Patent number 5,641,549
    • Issue date Jun 24, 1997
    • Shell Oil Company
    • Walter Francis Johnston
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Nucleation of crystallization in polyesters
    • Patent number 5,431,972
    • Issue date Jul 11, 1995
    • Shell Oil Company
    • Donald E. Richeson
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL