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Richard M. Hyman

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  • Iowa City, IA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Toothbrush
    • Patent number D265526
    • Issue date Jul 27, 1982
    • Cooper Laboratories, Inc.
    • Richard M. Hyman
    • D04 - Brushware
  • Information Patent Grant

    Toothbrush
    • Patent number D265353
    • Issue date Jul 13, 1982
    • Cooper Laboratories, Inc.
    • Richard M. Hyman
    • D04 - Brushware
  • Information Patent Grant

    Toothbrush
    • Patent number D265354
    • Issue date Jul 13, 1982
    • Cooper Laboratories, Inc.
    • Richard M. Hyman
    • D04 - Brushware