TREA

Roger K. Crawford

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  • Salem, OR, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Track assembly for cleanroom wall system
    • Patent number 6,634,149
    • Issue date Oct 21, 2003
    • Dennis O. Cates
    • E04 - BUILDING
  • Information Patent Grant

    Frameless door assembly for cleanroom
    • Patent number 6,615,556
    • Issue date Sep 9, 2003
    • Dennis O. Cates
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Grant

    Cleanroom wall system
    • Patent number 6,209,275
    • Issue date Apr 3, 2001
    • Southland Industries
    • Dennis O. Cates
    • E04 - BUILDING
  • Information Patent Grant

    Clean room wall system
    • Patent number 5,414,967
    • Issue date May 16, 1995
    • Unistrut International Corp.
    • Dennis O. Cates
    • E04 - BUILDING

Patents Applicationslast 30 patents