TREA

Frank Wallitsch Jr.

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  • Center Valley, PA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Crusher-dryer and method of crushing
    • Patent number RE30778
    • Issue date Oct 20, 1981
    • Pennsylvania Crusher Corporation
    • William F. Hahn
    • 241 - Solid material comminution or disintegration
  • Information Patent Grant

    Crusher-dryer and method of crushing
    • Patent number 4,085,897
    • Issue date Apr 25, 1978
    • Pennsylvania Crusher Corporation
    • William F. Hahn
    • B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...