TREA

Blair J. Cohen

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  • Manchester, CT, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Elevator evacuation deterrent device
    • Patent number 5,819,877
    • Issue date Oct 13, 1998
    • Otis Elevator Company
    • James A. Rivera
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    Method of replacing sheave liner
    • Patent number 5,792,294
    • Issue date Aug 11, 1998
    • Otis Elevator Company
    • John Randazzo
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL