Patents Assigned to Alvema Aktiebolag
  • Patent number: D293776
    Type: Grant
    Filed: December 10, 1985
    Date of Patent: January 19, 1988
    Assignee: Alvema Aktiebolag
    Inventor: Torbjorn Maard
  • Patent number: D307251
    Type: Grant
    Filed: August 20, 1987
    Date of Patent: April 17, 1990
    Assignee: Alvema Aktiebolag
    Inventor: Staffan Ramer