Patents by Inventor George L. Hayes

George L. Hayes 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).

  • Chemistry analyzer tray
    Patent number: D305001
    Type: Grant
    Filed: January 7, 1987
    Date of Patent: December 12, 1989
    Assignee: Hoffman-La Roche Inc.
    Inventors: George L. Hayes, Douglas W. Fitzsimmons
  • Chemistry analyzer tray
    Patent number: D305002
    Type: Grant
    Filed: January 7, 1987
    Date of Patent: December 12, 1989
    Assignee: Hoffman-La Roche Inc.
    Inventors: George L. Hayes, Douglas W. Fitzsimmons
  • Chemistry analyzer tray
    Patent number: D305003
    Type: Grant
    Filed: January 7, 1987
    Date of Patent: December 12, 1989
    Assignee: Hoffman-La Roche Inc.
    Inventors: George L. Hayes, Douglas W. Fitzsimmons