TREA

Donald R. Stevenson

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  • Brunswick, OH, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    High solids urethane coatings
    • Patent number 4,064,194
    • Issue date Dec 20, 1977
    • SCM Corporation
    • James M. Evans
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Regular copolyamides as desalination membranes
    • Patent number 4,002,563
    • Issue date Jan 11, 1977
    • The United States of America as represented by the Secretary of the Interior
    • Otto F. Vogl
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Regular copolyamides as desalination membranes
    • Patent number 3,935,172
    • Issue date Jan 27, 1976
    • The United States of America as represented by the Secretary of the Interior
    • Otto F. Vogl
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...