Patents Represented by Attorney Elwin A. Andrus
  • Patent number: D245071
    Type: Grant
    Filed: August 19, 1975
    Date of Patent: July 19, 1977
    Inventor: Woo Hou Kong
  • Patent number: D248184
    Type: Grant
    Filed: May 27, 1976
    Date of Patent: June 13, 1978
    Inventor: Thomas Peter Roberts
  • Patent number: D249920
    Type: Grant
    Filed: June 15, 1976
    Date of Patent: October 17, 1978
    Inventor: Friedrich E. Frieser
  • Patent number: D249955
    Type: Grant
    Filed: July 1, 1976
    Date of Patent: October 17, 1978
    Assignee: Steel Products Manufacturing Co. Inc.
    Inventor: John E. Vogelsang
  • Patent number: D251097
    Type: Grant
    Filed: March 14, 1977
    Date of Patent: February 20, 1979
    Inventor: Elizabeth E. Robertson
  • Patent number: D258245
    Type: Grant
    Filed: September 21, 1977
    Date of Patent: February 17, 1981
    Inventor: Helen K. Brookfield