Patents by Inventor Clark N. Hopson

Clark N. Hopson 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).

  • Patent number: 4224698
    Abstract: An acetabular cup for total hip replacements is disclosed which provides radiographically opaque elements for the two halves of the periphery of the cup, said opaque elements having different configurations so that it is possible from an anterior-posterior radiographic view to determine whether the cup is facing anteriorly or posteriorly.
    Type: Grant
    Filed: April 5, 1979
    Date of Patent: September 30, 1980
    Inventor: Clark N. Hopson