Martin Heppner

Person

  • Jena, DE

Patents Grantslast 30 patents

  • Information Patent Grant

    Black surface layer on light metal

    • Patent number 5,075,178
    • Issue date Dec 24, 1991
    • JENOPTIK JENA G.m.b.H.
    • Juergen Schmidt
    • C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR