Helmut Dederra

Person

  • Ottobrunn, DE

Patents Grantslast 30 patents

  • Information Patent Grant

    Press mould half, more especially for producing records

    • Patent number 4,245,811
    • Issue date Jan 20, 1981
    • Messerschmitt-Bolkow-Blohm Gesellschaft mit beschrankter Haftung
    • Winfried Brunner
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL