TREA

William Leonard Renfro

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  • Washington, DC, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Portable thermal rescue/recovery system
    • Patent number 6,743,250
    • Issue date Jun 1, 2004
    • William Leonard Renfro
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Waterbed mattress system for recreational vehicles
    • Patent number 6,269,497
    • Issue date Aug 7, 2001
    • William L. Renfro
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Waterbed mattress system for boats
    • Patent number 6,094,758
    • Issue date Aug 1, 2000
    • William L. Renfro
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Golf club cane
    • Patent number 6,024,110
    • Issue date Feb 15, 2000
    • William L. Renfro
    • A45 - HAND OR TRAVELLING ARTICLES

Patents Applicationslast 30 patents