TREA

Elmer H. Sumka

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  • Edison, NJ, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Elevator car
    • Patent number 4,678,062
    • Issue date Jul 7, 1987
    • Westinghouse Electric Corp.
    • Elmer H. Sumka
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    Transportation system
    • Patent number 4,499,973
    • Issue date Feb 19, 1985
    • Westinghouse Electric Corp.
    • John J. De Lorenzi
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    Elevator system
    • Patent number 4,491,199
    • Issue date Jan 1, 1985
    • Westinghouse Electric Corp.
    • Henry J. Shea
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    Braking system
    • Patent number 4,276,500
    • Issue date Jun 30, 1981
    • Westinghouse Electric Corp.
    • Elmer H. Sumka
    • B66 - HOISTING LIFTING HAULING