Patents by Inventor Alexander P. Stoltz

Alexander P. Stoltz 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).

  • Floor marking apparatus and system, and method of marking a floor
    Patent number: 7232236
    Abstract: A floor marking system includes a floor having a predetermined location intended for use of a predetermined character, the predetermined location being marked with impinging light. The floor marking system also includes a lighting unit having a light source for marking light onto the floor at a predetermined location. A patterning device is disposed between the light source and the floor, and is configured and arranged to mark at least one of a graphic pattern and a color onto the floor at the predetermined location with the impinging light. The at least one of the graphic pattern and the color marked on the floor by the lighting unit and the patterning device forms an indicator, and the indicator corresponds to the character of use of the floor at the predetermined location.
    Type: Grant
    Filed: January 6, 2005
    Date of Patent: June 19, 2007
    Assignee: Electronic Theatre Controls, Inc.
    Inventors: Craig T. Vitense, Alexander P. Stoltz