Patents by Inventor George W. Pugh, Jr.

George W. Pugh, Jr. 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).

  • Veterinary ocular ring device for sustained drug release
    Patent number: 4201210
    Abstract: A novel ring-shaped device inserted into the conjunctival sac of an animal eye exhibits potential for prolonged release of therapeutic drugs to the eye region. Its prolonged retention properties render it suitable for use in the extended treatment of obstinate ocular infections, such as infectious bovine keratoconjunctivitis in cattle.
    Type: Grant
    Filed: November 28, 1977
    Date of Patent: May 6, 1980
    Assignee: The United States of America as represented by the Secretary of Agriculture
    Inventors: David E. Hughes, George W. Pugh, Jr.