Patents Represented by Attorney C. Robert Von Hellens
  • Patent number: D242677
    Type: Grant
    Filed: March 27, 1975
    Date of Patent: December 14, 1976
    Inventor: Robert H. Milligan
  • Patent number: D242989
    Type: Grant
    Filed: October 10, 1974
    Date of Patent: January 11, 1977
    Inventor: May Becker