Patents Assigned to Richard E. Gray
  • Patent number: D270706
    Type: Grant
    Filed: May 21, 1981
    Date of Patent: September 27, 1983
    Assignee: Richard E. Gray
    Inventor: Douglas R. Cleminshaw
  • Patent number: D275726
    Type: Grant
    Filed: June 7, 1982
    Date of Patent: October 2, 1984
    Assignee: Richard E. Gray
    Inventor: Douglas R. Cleminshaw