Patents Assigned to Hackman Arabia Oy Ab
  • Patent number: 5158202
    Abstract: A glazed ceramic dinner plate has inner and outer foot-rings that protrude from its underside and have their bottom surfaces at upper and lower horizontal levels when the plate is disposed horizontally. The foot-ring having its bottom surface at the upper level is glazed on its bottom surface and the other foot-ring is not glazed.
    Type: Grant
    Filed: March 6, 1991
    Date of Patent: October 27, 1992
    Assignee: Hackman Arabia Oy Ab
    Inventors: Olavi Kosonen, Viljo Roytio, Camilla Moberg