Patents Assigned to MacDonald/Associates Inc.
  • Key holder
    Patent number: D285987
    Type: Grant
    Filed: August 28, 1984
    Date of Patent: October 7, 1986
    Assignee: MacDonald/Associates Inc.
    Inventor: Sumner MacDonald
  • Key holder
    Patent number: D285989
    Type: Grant
    Filed: December 31, 1984
    Date of Patent: October 7, 1986
    Assignee: MacDonald/Associates Inc.
    Inventor: Sumner MacDonald