Patents by Inventor William D. Poff

William D. Poff 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).

  • Black light volleyball game and apparatus
    Patent number: 5417438
    Abstract: The invention is a fluorescent volleyball game for playing volleyball after dark. The important features of the playing field are illuminated by using a fluorescent volleyball, fluorescent out of bounds markers, fluorescent net and support stand and a set of blacklights arranged around the field to illuminate the fluorescent colors to the diminished visibility of the non-essential features. Players may, optionally, wear fluorescent clothing.
    Type: Grant
    Filed: May 31, 1994
    Date of Patent: May 23, 1995
    Inventor: William D. Poff