TREA

Dietrich E. Herrmann

Follow

Person

  • Vechelde, DE
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Escalator passenger flow control
    • Patent number 4,631,467
    • Issue date Dec 23, 1986
    • Otis Elevator Company
    • Dietrich E. Herrmann
    • B66 - HOISTING LIFTING HAULING