Patents by Inventor Robert R. Ley

Robert R. Ley 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: 4660507
    Abstract: A bird perch easily attached to a vertical surface and containing a surface to collect bird droppings and position the bird a distance from the window sufficient to limit the soiling of the window surface by the bird.
    Type: Grant
    Filed: October 31, 1985
    Date of Patent: April 28, 1987
    Inventor: Robert R. Ley