Dieter Mankau

Person

  • Braunschweig, DE

Patents Grantslast 30 patents

  • Information Patent Grant

    Photographic flash unit

    • Patent number D250267
    • Issue date Nov 14, 1978
    • Rollei-Werke Franke & Heidecke
    • Claus Prochnow
    • D16 - Photography and optical equipment