TREA

David L. Durfee JR.

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  • Meadville, PA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Retractable grip element for cell phones
    • Patent number 12,301,746
    • Issue date May 13, 2025
    • David L Durfee
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Modular raised garden bed system
    • Patent number 12,295,305
    • Issue date May 13, 2025
    • David L Durfee
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
  • Information Patent Grant

    Grip shield for cell phones
    • Patent number 12,238,233
    • Issue date Feb 25, 2025
    • David L Durfee
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Cell phone accessories
    • Patent number 10,368,628
    • Issue date Aug 6, 2019
    • David L. Durfee
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

  • Information Patent Application

    Abdominal exercise machine
    • Publication number 20030220175
    • Publication date Nov 27, 2003
    • David L. Durfee
    • A63 - SPORTS GAMES AMUSEMENTS