Patents by Inventor Robert P. Stromberg

Robert P. Stromberg 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: 4274394
    Abstract: The invention relates to an electromechanical solar tracking device which tracks the position of the sun using paired, partially-shaded bimetallic elements.
    Type: Grant
    Filed: April 17, 1979
    Date of Patent: June 23, 1981
    Assignee: The United States of America as represented by the United States Department of Energy
    Inventor: Robert P. Stromberg