Patents by Inventor William W. Ray

William W. Ray 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).

  • Activity floor changing system for multi-activity complex
    Patent number: 5365704
    Abstract: A multi-activity complex incorporates a plurality of activity floors, each of which has an associated playing surface and is selectively movable between a storage position, located below an event staging or activity area, and an in-use position located in the activity area. A system is provided for alternatively shifting the activity floors between the respective storage and in-use positions. The shifting system includes a lift assembly for vertically moving the activity floors into and out of the activity area and a second mechanism for laterally shifting the activity floors to and from a respective storage area disposed below and laterally outwardly of the activity area.
    Type: Grant
    Filed: April 15, 1994
    Date of Patent: November 22, 1994
    Inventor: William W. Ray
  • Activity floor changing system for multi-activity complex
    Patent number: 5319895
    Abstract: A multi-activity complex incorporates a plurality of activity floors, each of which has an associated playing surface and is selectively movable between a storage position, located below an event staging or activity area, and an in-use position located in the activity area. A system is provided for alternatively shifting the activity floors between the respective storage and in-use positions. The shifting system includes a lift assembly for vertically moving the activity floors into and out of the activity area and a second mechanism for laterally shifting the activity floors to and from a respective storage area disposed below and laterally outwardly of the activity area.
    Type: Grant
    Filed: March 5, 1993
    Date of Patent: June 14, 1994
    Inventor: William W. Ray