Patents by Inventor Bernard R. Barrett

Bernard R. Barrett has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: D246736
    Type: Grant
    Filed: November 26, 1975
    Date of Patent: December 20, 1977
    Inventors: Bernard R. Barrett, Alfred D. Duncan
  • Patent number: D246737
    Type: Grant
    Filed: November 26, 1975
    Date of Patent: December 20, 1977
    Inventors: Bernard R. Barrett, Alfred D. Duncan
  • Patent number: D259500
    Type: Grant
    Filed: October 23, 1978
    Date of Patent: June 9, 1981
    Inventor: Bernard R. Barrett
  • Patent number: D262729
    Type: Grant
    Filed: August 2, 1979
    Date of Patent: January 19, 1982
    Inventor: Bernard R. Barrett
  • Patent number: D263609
    Type: Grant
    Filed: April 17, 1980
    Date of Patent: March 30, 1982
    Inventor: Bernard R. Barrett
  • Patent number: D277117
    Type: Grant
    Filed: October 27, 1982
    Date of Patent: January 8, 1985
    Inventor: Bernard R. Barrett