Patents by Inventor Ahmad Sam

Ahmad Sam 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).

  • Apparatus for recovery of metals from solution
    Patent number: 4276147
    Abstract: A recovery cell placed directly into the tank holding the metal containing solution is used to recover the metal from solution. A cathode for use in recovery cells is formed of a cellular nonconductive base layer having an outer layer of conductive material.
    Type: Grant
    Filed: August 17, 1979
    Date of Patent: June 30, 1981
    Inventors: Randolph L. Epner, Ahmad Sam