Patents by Inventor Elvira Tisch

Elvira Tisch 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).

  • Electrode mass containing nickel hydroxide
    Patent number: 3951686
    Abstract: A positive electrode for alkaline storage batteries contains as its active mass a ternary mixture of nickel hydroxide, cadmium hydroxide, and cobalt hydroxide.
    Type: Grant
    Filed: July 25, 1974
    Date of Patent: April 20, 1976
    Assignee: Varta Batterie Aktiengesellschaft
    Inventors: Peter Ness, Gunter Kramer, Elvira Tisch