Patents Assigned to Lois Ziebarth
  • Grille for a floor register
    Patent number: D328344
    Type: Grant
    Filed: August 13, 1990
    Date of Patent: July 28, 1992
    Assignee: Lois Ziebarth
    Inventor: Thomas Heidtke
  • Grille for a floor register
    Patent number: D338060
    Type: Grant
    Filed: August 18, 1992
    Date of Patent: August 3, 1993
    Assignee: Lois Ziebarth
    Inventor: O. B. Solie