TREA

David L. Hedgecoth

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  • Cookeville, TN, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Method for preparing a marking structure
    • Patent number 5,049,432
    • Issue date Sep 17, 1991
    • Porelon, Inc.
    • Willem Ooms
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Microporous marking structures
    • Patent number 4,927,695
    • Issue date May 22, 1990
    • Porelon, Inc.
    • Willem Ooms
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS