Elmar Heiskel

Person

  • Dreieich, DE

Patents Grantslast 30 patents

  • Information Patent Grant

    Phonograph disk care product

    • Patent number 4,647,395
    • Issue date Mar 3, 1987
    • Hoechst Aktiengesellschaft
    • Elmar Heiskel
    • G11 - INFORMATION STORAGE