Dan Schwiefert

Person

  • Overland Park, KS, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Oil separator

    • Patent number 5,316,029
    • Issue date May 31, 1994
    • Separation Oil Services, Inc.
    • Willis R. Campbell
    • B09 - DISPOSAL OF SOLID WASTE RECLAMATION OF CONTAMINED SOIL SOIL