Patents by Inventor Ellsworth G. Munck

Ellsworth G. Munck 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).

  • Hardening of metals
    Patent number: 4304594
    Abstract: Hardened metals are produced by subjecting molten metals to the action of an electrostatic field of at least 1000 volts during the cooling and solidification of the metal.
    Type: Grant
    Filed: April 9, 1980
    Date of Patent: December 8, 1981
    Inventor: Ellsworth G. Munck