Heinz-Dieter Kalkoff

Person

  • Witten, DE

Patents Grantslast 30 patents

  • Information Patent Grant

    Method of vulcanizing a prevulcanized tread

    • Patent number 4,105,482
    • Issue date Aug 8, 1978
    • Trappe; Lieselotte
    • Friedrich-Wilhelm Wapelhorst
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL