TREA

Lyle F. Yerges

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  • Downers Grove, IL, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Sound absorbing panel
    • Patent number 4,155,211
    • Issue date May 22, 1979
    • Haworth Mfg., Inc.
    • Charles J. Saylor
    • B32 - LAYERED PRODUCTS
  • Information Patent Grant

    Sound absorbing panel
    • Patent number 4,084,366
    • Issue date Apr 18, 1978
    • Haworth Mfg., Inc.
    • Charles J. Saylor
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Sound absorbing panel
    • Patent number 4,084,367
    • Issue date Apr 18, 1978
    • Haworth Mfg., Inc.
    • Charles J. Saylor
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL