TREA

Dreher; Heinz Walter

Follow

Organization

  • SE
Organizations

Patents Grantslast 30 patents

  • Information Patent Grant

    Clutch mechanism
    • Patent number 4,250,942
    • Issue date Feb 17, 1981
    • Dreher; Heinz Walter
    • Heinz W. Dreher
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS

Patents Applicationslast 30 patents

Trademarklast 30 trademarks