Patents by Inventor Harold S. Tune

Harold S. Tune 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).

  • Patent number: 4322483
    Abstract: A method of utilizing empty aluminum cans to provide a source of electrical energy is disclosed. The method includes the steps of placing the cans in an electrolyte medium, preferably a salt water solution, and positioning a carbon depolarizer in the electrolyte to form an aluminum-air cell. A cup-shaped, inverted, carbon depolarizer and suitable mounting structure for positioning the depolarizer inside a beverage-type can is also disclosed.
    Type: Grant
    Filed: July 7, 1980
    Date of Patent: March 30, 1982
    Inventor: Harold S. Tune