TREA

Donald R. Dougan

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  • North Canton, OH, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Easy access pop off relief valve
    • Patent number 5,098,026
    • Issue date Mar 24, 1992
    • The Babcock & Wilcox Company
    • Donald R. Dougan
    • B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
  • Information Patent Grant

    Roll-and-race pulverizer with rotating throat
    • Patent number 4,721,258
    • Issue date Jan 26, 1988
    • The Babcock & Wilcox Company
    • Donald R. Dougan
    • B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
  • Information Patent Grant

    Roll-and-race pulverizer with rotating throat
    • Patent number 4,687,145
    • Issue date Aug 18, 1987
    • The Babcock & Wilcox Company
    • Donald R. Dougan
    • B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...