Patents Assigned to Federal Research Corporation
  • Patent number: D253897
    Type: Grant
    Filed: July 3, 1978
    Date of Patent: January 8, 1980
    Assignee: Federal Research Corporation
    Inventor: Raymond E. Cross
  • Patent number: D253898
    Type: Grant
    Filed: July 3, 1978
    Date of Patent: January 8, 1980
    Assignee: Federal Research Corporation
    Inventor: Raymond E. Cross
  • Patent number: D256137
    Type: Grant
    Filed: July 3, 1978
    Date of Patent: July 29, 1980
    Assignee: Federal Research Corporation
    Inventor: Raymond E. Cross
  • Patent number: D256559
    Type: Grant
    Filed: July 3, 1978
    Date of Patent: August 26, 1980
    Assignee: Federal Research Corporation
    Inventor: Raymond E. Cross