Patents by Inventor Don S. James

Don S. James 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: 4244126
    Abstract: This invention is a combination of known elements for a new use. This is an adaptation of the old shadow light principle coupled with time to cause three different light apertures to be aligned in a lighted window effect, thereby indicating a previously programmed marking to remind the owner of hourly, daily or weekly radio, television programs, appointments or meetings.
    Type: Grant
    Filed: September 29, 1978
    Date of Patent: January 13, 1981
    Inventor: Don S. James