Patents by Inventor Frank L. Steckhahn

Frank L. Steckhahn 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).

  • Ultraviolet protectorant composition
    Patent number: 3987001
    Abstract: An ultraviolet protectorant composition is provided for surface application by aerosol to polyolefins. The composition consists of an ultraviolet protectorant, a binder and solvent.
    Type: Grant
    Filed: February 3, 1975
    Date of Patent: October 19, 1976
    Assignee: Chevron Research Company
    Inventors: Carroll J. Wedel, Frank L. Steckhahn, John David Gardner