Patents by Inventor Thomas E. Duffey

Thomas E. Duffey 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).

  • Controlling ticks and fleas with linalool
    Patent number: 4933371
    Abstract: Method of treating animal hosts or their environment for ticks and fleas by applying thereto a toxic amount of linalool.
    Type: Grant
    Filed: August 23, 1988
    Date of Patent: June 12, 1990
    Assignee: Shirlo, Inc.
    Inventors: W. Fredric Hink, Thomas E. Duffey
  • Aqueous pesticidal solutions containing polyethylene glycol
    Patent number: 4048302
    Abstract: Pesticides such as o-isopropoxyphenyl methylcarbamate are dissolved in polyethylene glycol. The concentrate thus formed is freely soluble in water.
    Type: Grant
    Filed: June 3, 1974
    Date of Patent: September 13, 1977
    Assignee: Riviana Foods Inc.
    Inventors: William R. Coleman, Thomas E. Duffey
  • Insect trap or similar article
    Patent number: D259272
    Type: Grant
    Filed: July 12, 1979
    Date of Patent: May 19, 1981
    Assignee: Riviana Foods Inc.
    Inventors: Thomas E. Duffey, Claire R. Ulanoff