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David Roy

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  • Derry, NH, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Heating device
    • Patent number 11,067,283
    • Issue date Jul 20, 2021
    • STUMP CHUNKS LLC
    • Daniel Roy
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Heating device
    • Patent number 10,047,960
    • Issue date Aug 14, 2018
    • STUMP CHUNKS LLC
    • Daniel Roy
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Chipper striker assembly
    • Patent number 9,227,192
    • Issue date Jan 5, 2016
    • David Roy
    • B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
  • Information Patent Grant

    Chipper striker assembly
    • Patent number 9,095,854
    • Issue date Aug 4, 2015
    • David Roy
    • B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...

Patents Applicationslast 30 patents

  • Information Patent Application

    HEATING DEVICE
    • Publication number 20180347817
    • Publication date Dec 6, 2018
    • STUMP CHUNKS LLC
    • Daniel Roy
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Application

    HEATING DEVICE
    • Publication number 20160290653
    • Publication date Oct 6, 2016
    • Daniel Roy
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Application

    Chipper Striker Assembly
    • Publication number 20120305690
    • Publication date Dec 6, 2012
    • David Roy
    • B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
  • Information Patent Application

    Chipper Striker Assembly
    • Publication number 20120305691
    • Publication date Dec 6, 2012
    • David Roy
    • B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...