Bjorn M. Still

Person

  • Rockford, IL, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Vacuum toilet system

    • Patent number 5,245,711
    • Issue date Sep 21, 1993
    • Oy Wartsila AB
    • Sven Oldfelt
    • B64 - AIRCRAFT AVIATION COSMONAUTICS