TREA

Kevan P. Elefsrud

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  • Escondido, CA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Disposal of cement waste from chute
    • Patent number 7,147,360
    • Issue date Dec 12, 2006
    • Kevan P. Elefsrud
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Disposal of cement waste from chute
    • Patent number 6,966,687
    • Issue date Nov 22, 2005
    • Kevan P. Elefsrud
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS