TREA

Donald L. Chamberlain

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  • Baton Rouge, LA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Tilting pan filters and cam therefor
    • Patent number 4,721,566
    • Issue date Jan 26, 1988
    • Freeport Minerals Company
    • Donald L. Chamberlain
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Tilting pan filters
    • Patent number 4,675,107
    • Issue date Jun 23, 1987
    • Freeport Minerals Company
    • Donald L. Chamberlain
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL