TREA

Donald M. Berlin Jr.

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  • McHenry, IL, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Photo-control apparatus and circuit
    • Patent number 5,894,175
    • Issue date Apr 13, 1999
    • Intermatic Incorporated
    • Donald Berlin
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Outdoor electrical outlet cover
    • Patent number 5,280,135
    • Issue date Jan 18, 1994
    • Intermatic Incorporated
    • Donald M. Berlin
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Outdoor electrical outlet cover
    • Patent number D342233
    • Issue date Dec 14, 1993
    • Intermatic Incorporated
    • Donald M. Berlin
    • D13 - Equipment for production, distribution, or transformation of energy
  • Information Patent Grant

    Cam actuated butterfly valve
    • Patent number 4,280,682
    • Issue date Jul 28, 1981
    • Eaton Corporation
    • Keith E. Zukausky
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Calibration mechanism for a pressure switch
    • Patent number 4,262,178
    • Issue date Apr 14, 1981
    • Eaton Corporation
    • Donald M. Berlin
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Lamp life extender
    • Patent number 4,229,680
    • Issue date Oct 21, 1980
    • Nilssen; Ole K.
    • Donald M. Berlin
    • H01 - BASIC ELECTRIC ELEMENTS