Patents by Inventor Roy C. Casillas

Roy C. Casillas 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: 5690557
    Abstract: A golf putting mat provides a pair of parallel raised portions separated for defining a putting stoke path. Each of the raised portions are constructed as a tubular sleeve with a rigid insert. Each of the sleeves accept two inserts arranged colinearly. The inserts are removable for folding the mat for compact portability. The mat provides a top layer of a golf green simulating material, a bottom layer providing support and non-slip characteristics and a middle layer for preventing the mat from being stretched out of shape when standing upon it.
    Type: Grant
    Filed: September 11, 1996
    Date of Patent: November 25, 1997
    Inventors: Roy C. Casillas, Judith L. Casillas