TREA

Dale P. Wilterink

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  • Anaheim, CA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Absorbent dental device
    • Patent number 5,230,626
    • Issue date Jul 27, 1993
    • William A. Larson
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Hollow cotton roll
    • Patent number 4,233,025
    • Issue date Nov 11, 1980
    • William A. Larson
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE