TREA

Franklin D. Hollingworth

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  • Salt Lake City, UT, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Adjustable earring
    • Patent number 6,138,333
    • Issue date Oct 31, 2000
    • Franklin D. Hollingworth
    • A44 - HABERDASHERY JEWELLERY
  • Information Patent Grant

    Clutch in and for jewelry items
    • Patent number 4,631,929
    • Issue date Dec 30, 1986
    • Hollingworth; Marilyn G.
    • Franklin D. Hollingworth
    • A44 - HABERDASHERY JEWELLERY