Patents Assigned to Okartek Oy
  • Multidirectional conveyor construction
    Patent number: D340342
    Type: Grant
    Filed: November 8, 1991
    Date of Patent: October 12, 1993
    Assignee: Okartek Oy
    Inventors: Leena Nummelin, Hannu Eriksson, Erkki Hiekkanen, Jorma Nieminen