TREA

Darrell S. Caldwell

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  • Bedford, TX, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Body fluids barrier mask
    • Patent number 4,969,457
    • Issue date Nov 13, 1990
    • Tecnol, Inc.
    • Vance M. Hubbard
    • A41 - WEARING APPAREL
  • Information Patent Grant

    Body fluids barrier mask
    • Patent number 4,920,960
    • Issue date May 1, 1990
    • Tecnol, Inc.
    • Vance M. Hubbard
    • A41 - WEARING APPAREL
  • Information Patent Grant

    Antecubital I.V. board
    • Patent number D293933
    • Issue date Jan 26, 1988
    • Tecnol, Inc.
    • Vance M. Hubbard
    • D24 - Medical and laboratory equipment
  • Information Patent Grant

    Medical/sports thermal pack
    • Patent number 4,688,572
    • Issue date Aug 25, 1987
    • Tecnol, Inc.
    • Vance M. Hubbard
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE