Patents by Inventor Frances M. Kraft

Frances M. Kraft 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).

  • Stair tread non-skid treatment
    Publication number: 20040139666
    Abstract: An improvement for a wood stair tread of the type having a generally transparent protective coating thereon, the improvement being a three dimensional pattern formed in a top surface of the stair tread to both improve footing and preserve the natural appearance of the wood forming the top surface of the tread.
    Type: Application
    Filed: January 8, 2004
    Publication date: July 22, 2004
    Inventor: Frances M. Kraft