Patents by Inventor Katthleen A. O'Brien

Katthleen A. O'Brien 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).

  • Walker glide
    Patent number: D375474
    Type: Grant
    Filed: May 5, 1994
    Date of Patent: November 12, 1996
    Inventors: Richard E. Henderson, Katthleen A. O'Brien