TREA

Roy L. Yelverton

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  • Gulf Breeze, FL, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Spinning process
    • Patent number 4,317,790
    • Issue date Mar 2, 1982
    • American Cyanamid Company
    • Edwin J. Siegman
    • D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
  • Information Patent Grant

    Spinnerette assembly
    • Patent number 4,276,011
    • Issue date Jun 30, 1981
    • American Cyanamid Company
    • Edwin J. Siegman
    • D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING