TREA

Frank Sinclair

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  • Placerville, CA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Seam welder
    • Patent number 6,213,184
    • Issue date Apr 10, 2001
    • Frank Sinclair
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Seam welder
    • Patent number 5,865,942
    • Issue date Feb 2, 1999
    • Frank Sinclair
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL