Patents by Inventor Mark W. Marcus

Mark W. Marcus 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).

  • Luminescent featured watch
    Patent number: 5086418
    Abstract: A luminescent featured watch includes a molded plastic case and watchband formed of a luminescent material. A plurality of luminescent and nonluminescent opaque design elements are supported upon the luminescent portions of the watch to provide a change in appearance of the watch between high ambient light and darkened light conditions. The luminescent materials of the watch cause the watch to glow in a darkened environment.
    Type: Grant
    Filed: March 28, 1991
    Date of Patent: February 4, 1992
    Inventor: Mark W. Marcus