TREA

Melvin Simon & Associates, Inc.

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  • Indianapolis, IN, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Circular escalator
    • Patent number 5,052,539
    • Issue date Oct 1, 1991
    • Melvin Simon & Associates, Inc.
    • Geoffrey S. Fillingsness
    • B66 - HOISTING LIFTING HAULING