Patents by Inventor Gerald Timothy Cookingham

Gerald Timothy Cookingham 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).

  • Tip to tail illuminated pointer assembly
    Patent number: 5983827
    Abstract: A pointer assembly illuminated by a rear circular light source surrounding a pointer axis includes a pointer having an inner portion surrounding the axis and a tip extending radially from the inner portion, a stem for supporting the pointer on a gauge spindle and including a plate for attenuating light transmission to the inner portion, and a cap surrounding the inner portion to prevent unwanted light escape from the assembly and having an elongated opening aligned with the tip. The tip and elongated opening define the illuminated pointer surface. A light collector portion of the tip located near the axis has a curved reflector for uniformly disseminating received light along the length of the tip.
    Type: Grant
    Filed: May 6, 1997
    Date of Patent: November 16, 1999
    Assignee: Delco Electronics Corporation
    Inventors: Gerald Timothy Cookingham, Martina L. Cliffel, Coley R. Gordon