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William Stuart Duncan

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  • Georgetown, SC, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Framing buddy deck framing tool
    • Patent number 11,920,359
    • Issue date Mar 5, 2024
    • William Stuart Duncan
    • E04 - BUILDING
  • Information Patent Grant

    Cushion clip
    • Patent number 11,903,490
    • Issue date Feb 20, 2024
    • William Stuart Duncan
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Information Patent Grant

    Magnetic jewelry clasp
    • Patent number 11,737,527
    • Issue date Aug 29, 2023
    • William Stuart Duncan
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Magnetic jewelry clasp
    • Patent number 11,076,661
    • Issue date Aug 3, 2021
    • William Stuart Duncan
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Magnetic jewelry clasp
    • Patent number D917333
    • Issue date Apr 27, 2021
    • William Stuart Duncan
    • D11 - Jewelry, symbolic insignia, and ornaments
  • Information Patent Grant

    Vertical planter box
    • Patent number 10,980,188
    • Issue date Apr 20, 2021
    • William Stuart Duncan
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
  • Information Patent Grant

    Magnetic jewelry clasp
    • Patent number D906867
    • Issue date Jan 5, 2021
    • William Stuart Duncan
    • D11 - Jewelry, symbolic insignia, and ornaments
  • Information Patent Grant

    Magnetic jewelry clasp
    • Patent number D906159
    • Issue date Dec 29, 2020
    • William Stuart Duncan
    • D11 - Jewelry, symbolic insignia, and ornaments
  • Information Patent Grant

    Magnetic jewelry clasp
    • Patent number D886658
    • Issue date Jun 9, 2020
    • William Stuart Duncan
    • D11 - Jewelry, symbolic insignia, and ornaments
  • Information Patent Grant

    Magnetic jewelry clasp
    • Patent number D882453
    • Issue date Apr 28, 2020
    • William Stuart Duncan
    • D11 - Jewelry, symbolic insignia, and ornaments
  • Information Patent Grant

    Magnetic jewelry clasp
    • Patent number D882452
    • Issue date Apr 28, 2020
    • William Stuart Duncan
    • D11 - Jewelry, symbolic insignia, and ornaments
  • Information Patent Grant

    Magnetic jewelry clasp
    • Patent number 10,376,022
    • Issue date Aug 13, 2019
    • William Stuart Duncan
    • H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

  • Information Patent Application

    CUSHION CLIP
    • Publication number 20240164544
    • Publication date May 23, 2024
    • William Stuart Duncan
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Application

    MAGNETIC JEWELRY CLASP
    • Publication number 20240016263
    • Publication date Jan 18, 2024
    • William Stuart Duncan
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    CUSHION CLIP
    • Publication number 20220079350
    • Publication date Mar 17, 2022
    • William Stuart Duncan
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Application

    FRAMING BUDDY DECK FRAMING TOOL
    • Publication number 20220049511
    • Publication date Feb 17, 2022
    • William Stuart Duncan
    • E04 - BUILDING
  • Information Patent Application

    MAGNETIC JEWELRY CLASP
    • Publication number 20210353015
    • Publication date Nov 18, 2021
    • William Stuart Duncan
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    VERTICAL PLANTER BOX
    • Publication number 20210227756
    • Publication date Jul 29, 2021
    • William Stuart Duncan
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
  • Information Patent Application

    MAGNETIC JEWELRY CLASP
    • Publication number 20190357641
    • Publication date Nov 28, 2019
    • William Stuart Duncan
    • A44 - HABERDASHERY JEWELLERY
  • Information Patent Application

    MAGNETIC JEWELRY CLASP
    • Publication number 20190069648
    • Publication date Mar 7, 2019
    • William Stuart Duncan
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    VERTICAL PLANTER BOX
    • Publication number 20190037778
    • Publication date Feb 7, 2019
    • William Stuart Duncan
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING