Patents by Inventor Randolph J. Schafernak

Randolph J. Schafernak 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: D521982
    Type: Grant
    Filed: December 28, 2004
    Date of Patent: May 30, 2006
    Inventors: Randolph J. Schafernak, Claudio Degrassi