Patents Assigned to Suomen Jonas Oy
  • Face mask for cold protection
    Patent number: D309962
    Type: Grant
    Filed: December 10, 1987
    Date of Patent: August 14, 1990
    Assignee: Suomen Jonas Oy
    Inventor: Olavi Ebeling
  • Breathing mask
    Patent number: D383537
    Type: Grant
    Filed: September 27, 1995
    Date of Patent: September 9, 1997
    Assignee: Suomen Jonas Oy
    Inventor: Jorma Lunden