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Charley L. Hewett

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  • Northglenn, CO, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Monoflow ball valve and system
    • Patent number 4,287,912
    • Issue date Sep 8, 1981
    • Kem-O-Kleen, Inc.
    • Charley L. Hewett
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    High pressure spray cleaning head
    • Patent number 4,046,321
    • Issue date Sep 6, 1977
    • Kem-O-Kleen, Inc.
    • Charley L. Hewett
    • B08 - CLEANING
  • Information Patent Grant

    High pressure spray cleaning apparatus
    • Patent number 3,997,114
    • Issue date Dec 14, 1976
    • Kem-O-Kleen, Inc.
    • Charley L. Hewett
    • B08 - CLEANING