TREA

Diep Chau-Ngoc

Follow

Person

  • Munich, DE
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Dust protection cover for a rotary grinding tool
    • Patent number 6,471,574
    • Issue date Oct 29, 2002
    • Hilti Aktiengesellschaft
    • Hans Rupprecht
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    Drill bit
    • Patent number 6,382,202
    • Issue date May 7, 2002
    • Hilti Aktiengesellschaft
    • Diep Chau-Ngoc
    • B28 - WORKING CEMENT, CLAY, OR STONE

Patents Applicationslast 30 patents

  • Information Patent Application

    Drill bit
    • Publication number 20010025638
    • Publication date Oct 4, 2001
    • Diep Chau-Ngoc
    • B28 - WORKING CEMENT, CLAY, OR STONE