TREA

Donald R. Friedland

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  • Minneapolis, MN, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Printing ink mixing apparatus
    • Patent number 5,236,263
    • Issue date Aug 17, 1993
    • Donald R. Friedland
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Liquid mixing apparatus
    • Patent number 4,720,194
    • Issue date Jan 19, 1988
    • Donald R. Friedland
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL