Patents by Inventor Robert Leslie Mayfield

Robert Leslie Mayfield 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).

  • Surface treatment methods for implants made of titanium or titanium alloy
    Patent number: 8221639
    Abstract: A method of producing a generally uniformly roughened surface on Ti 6/4 alloy or titanium for contact with living bone comprises exposing the Ti 6/4 alloy or titanium in an aqueous solution of citric acid and hydrofluoric acid for a suitable time period to remove the native oxide from the Ti 6/4 alloy or titanium so as to expose the Ti 6/4 or titanium metal surface and create the desired surface topography.
    Type: Grant
    Filed: February 23, 2006
    Date of Patent: July 17, 2012
    Assignee: Biomet 3i, LLC
    Inventors: Ross Williams Towse, Robert Leslie Mayfield