TREA

Dennis Sewill

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  • Andover, MN, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Method for removing mercury from lamp parts
    • Patent number 6,183,533
    • Issue date Feb 6, 2001
    • Dennis Sewill
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Lamp processing machine
    • Patent number 5,685,335
    • Issue date Nov 11, 1997
    • Dennis Sewill
    • B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
  • Information Patent Grant

    Lamp processing machine
    • Patent number 5,683,041
    • Issue date Nov 4, 1997
    • Dennis Sewill
    • B07 - SEPARATING SOLIDS FROM SOLIDS SORTING