Patents by Inventor Dean F. Marino

Dean F. Marino 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).

  • Apparatus for measurement of hollow fiber dimensions
    Patent number: 4638168
    Abstract: An apparatus and method for determining the morphology or dimensions of a polymeric hollow fiber is disclosed. The light absorption pattern of the hollow fiber can be used to determine the inside and outside diameter of the fiber.
    Type: Grant
    Filed: October 24, 1984
    Date of Patent: January 20, 1987
    Assignee: The Dow Chemical Company
    Inventors: Dean F. Marino, William E. Ryan, Arthur J. Kamp