TREA

George R. Marks

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  • Richmond, CA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Arch supported tent
    • Patent number 4,269,210
    • Issue date May 26, 1981
    • Sierra Designs, Inc.
    • George R. Marks
    • E04 - BUILDING
  • Information Patent Grant

    Arch supported tent
    • Patent number 4,165,757
    • Issue date Aug 28, 1979
    • Sierra Designs
    • George R. Marks
    • E04 - BUILDING