TREA

Roger A. Johnson

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  • Wichita, KS, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Method for making a composite
    • Patent number 6,759,002
    • Issue date Jul 6, 2004
    • The Boeing Company
    • Dwight L. Engwall
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Hybrid lay-up tool
    • Patent number 6,168,358
    • Issue date Jan 2, 2001
    • The Boeing Company
    • Dwight L. Engwall
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Hybrid lay-up tool
    • Patent number 6,012,883
    • Issue date Jan 11, 2000
    • The Boeing Company
    • Dwight L. Engwall
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL