TREA

David R. Seward

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  • Houston, TX, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Reversible double-throw air motor
    • Patent number 6,217,306
    • Issue date Apr 17, 2001
    • Cooper Technologies Company
    • David R. Seward
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Reversible double-throw air motor
    • Patent number 6,082,986
    • Issue date Jul 4, 2000
    • Cooper Technologies
    • David R. Seward
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES