Patents by Inventor Alexander Leef

Alexander Leef 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).

  • Battery cathode
    Publication number: 20060159992
    Abstract: A cathode having a groove extending about 10 to about 450 microns into a surface of the cathode. The cathode can also be roughened.
    Type: Application
    Filed: March 14, 2006
    Publication date: July 20, 2006
    Inventors: Terry Copeland, Stuart Davis, Tae-Won Lee, Alexander Leef, Gary Miller, Shuming Zeng