Patents by Inventor David G. Stevenson

David G. Stevenson 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).

  • Bipolar cell
    Patent number: 4124480
    Abstract: A bipolar cell comprising a plurality of spaced electrode plates defining a sinuous flow path therethrough, wherein the flow path sweeps out the entire space between adjacent plates so as substantially to prevent the formation of stagnant areas and thus minimize the growth of precipitate between the plates.
    Type: Grant
    Filed: February 14, 1977
    Date of Patent: November 7, 1978
    Assignee: Paterson Candy International, Limited
    Inventor: David G. Stevenson