Patents by Inventor Premnath Vonugopalan

Premnath Vonugopalan 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).

  • Radiation and melt treated ultra high molecular weight polyethylene prosthetic devices
    Publication number: 20040132856
    Abstract: A medical prosthesis for use within the body which is formed of radiation treated ultra high molecular weight polyethylene having substantially no detectable free radicals, is described. Preferred prostheses exhibit reduced production of particles from the prosthesis during wear of the prosthesis, and are substantially oxidation resistant. Methods of manufacture of such devices and material used therein are also provided.
    Type: Application
    Filed: October 30, 2003
    Publication date: July 8, 2004
    Inventors: Edward W. Merrill, William H. Harris, Murali Jasty, Charles R. Bragdon, Daniel O. O'Connor, Premnath Vonugopalan