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Richard W. Hanson

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  • Beaverton, OR, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Dental syringe tip
    • Patent number 6,293,792
    • Issue date Sep 25, 2001
    • DCI International, Inc.
    • Richard W. Hanson
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Dental rinse bottle with quick connect
    • Patent number 6,279,782
    • Issue date Aug 28, 2001
    • Dental Components, Inc.
    • Richard W. Hanson
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    UV purification of air and water in dental operatories
    • Patent number 6,268,607
    • Issue date Jul 31, 2001
    • DCI International, Inc.
    • Leonard Marsh
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE