Edgar Wassmann

Person

  • Hamburg, DE

Patents Grantslast 30 patents

  • Information Patent Grant

    Method for producing drawing stencils

    • Patent number 4,225,548
    • Issue date Sep 30, 1980
    • Mesne Koh-I-Noor Rapidograph, Inc.
    • Edgar Wassmann
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES