TREA

David Mitchell

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  • Montreal, Quebec, CA
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Patents Grantslast 30 patents

  • Information Patent Grant

    Rake with detachable head
    • Patent number 6,370,857
    • Issue date Apr 16, 2002
    • David Mitchell
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
  • Information Patent Grant

    Scraper
    • Patent number 6,163,919
    • Issue date Dec 26, 2000
    • David Mitchell
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Ergonomic shovel
    • Patent number 5,533,768
    • Issue date Jul 9, 1996
    • David Mitchell
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES