Patents by Inventor Donald L. Crane

Donald L. Crane 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).

  • Illuminated house number sign
    Patent number: 4373284
    Abstract: An illuminated sign for outdoor use is provided which is a frame enclosed by a transparent cover. Grooved tracks are utilized to receive and retain display plates which have light transmitting portions therein in the shape of letters or numbers. A central light source provides illumination and a translucent sheet diffuses the light so that a uniformly bright message appears when the light source is energized and the selected plates are abutted end to end in the tracks. The sign can have a display on more than one side and the display can be in more than one level.
    Type: Grant
    Filed: February 20, 1981
    Date of Patent: February 15, 1983
    Inventor: Donald L. Crane
  • Bracelet or the like
    Patent number: D300519
    Type: Grant
    Filed: April 24, 1986
    Date of Patent: April 4, 1989
    Inventor: Donald L. Crane
  • Pendant for a necklace
    Patent number: D358787
    Type: Grant
    Filed: November 27, 1992
    Date of Patent: May 30, 1995
    Inventor: Donald L. Crane