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Edwin J. Haker

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  • Elm Grove, WI, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Vibration control for asphalt roadway compactor
    • Patent number 4,187,036
    • Issue date Feb 5, 1980
    • Rexnord Inc.
    • Edwin J. Haker
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    Adjustable vibratory roller
    • Patent number 3,966,344
    • Issue date Jun 29, 1976
    • Rexnord Inc.
    • Edwin J. Haker
    • B06 - GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL