Patents by Inventor Robert S. Lerner

Robert S. Lerner 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).

  • Spherical drum shells
    Patent number: D562879
    Type: Grant
    Filed: December 2, 2005
    Date of Patent: February 26, 2008
    Inventor: Robert S. Lerner
  • Spherical drum shell
    Patent number: D575327
    Type: Grant
    Filed: August 8, 2007
    Date of Patent: August 19, 2008
    Inventor: Robert S. Lerner