Patents Represented by Attorney Roger B. McCormick
  • Patent number: D250381
    Type: Grant
    Filed: April 29, 1977
    Date of Patent: November 28, 1978
    Inventor: James A. Lindell
  • Patent number: D254051
    Type: Grant
    Filed: November 16, 1978
    Date of Patent: January 29, 1980
    Inventor: Joseph D. Zaleski
  • Patent number: D258692
    Type: Grant
    Filed: September 25, 1978
    Date of Patent: March 24, 1981
    Assignee: Ushio Denki Kabushiki Kaisha
    Inventor: Yukiharu Ozeki