Patents by Inventor Ralph Yerian

Ralph Yerian 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: 7021782
    Abstract: A safety apparatus having a base, a wand coupled to the base, and an illumination source retained by the wand. The base may include a recess to retain the illumination source, or an additional illumination source. The base may also include a port and a hollow interior for selectively filling the interior with ballast for support. The wand may include reflective material along the external circumference for increasing the visibility of the apparatus to on-coming traffic. The apparatus may be used to freely stand on a solid surface, or the base may be evacuated of ballast and used to buoyantly rest on the surface of an aqueous body.
    Type: Grant
    Filed: August 9, 2004
    Date of Patent: April 4, 2006
    Inventor: Ralph Yerian