Oliver Berchtold

Person

  • Zollikon, CH

Patents Grantslast 30 patents

  • Information Patent Grant

    Drilling and chiseling tool bit

    • Patent number 4,903,785
    • Issue date Feb 27, 1990
    • Hilti Aktiengesellschaft
    • Walter Odoni
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR