James A. Matthews

Person

  • Lake Forest, CA, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Modular wastewater treatment system

    • Patent number 6,379,545
    • Issue date Apr 30, 2002
    • Pacific Advanced Civil Engineering, Inc.
    • Johan A. Perslow
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Modular wastewater treatment system

    • Patent number 6,132,614
    • Issue date Oct 17, 2000
    • Pacific Advanced Civil Engineering, INC
    • Johan A. Perslow
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE