TREA

Albert J. Sperbeck

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  • Glastonbury, CT, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Digital servo valve system
    • Patent number 5,036,886
    • Issue date Aug 6, 1991
    • Olson Controls, Inc.
    • Zenny Olsen
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    Digital servo valve system
    • Patent number 4,951,549
    • Issue date Aug 28, 1990
    • Olsen Controls, Inc.
    • Zenny Olsen
    • G05 - CONTROLLING REGULATING