Chieh-Fu Tzeng

Person

  • Downers Grove, IL, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Dental surveyor

    • Patent number 4,205,445
    • Issue date Jun 3, 1980
    • Howmedica, Inc.
    • Chieh-Fu Tzeng
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE