Patents by Inventor Lila A. Walker

Lila A. Walker 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).

  • Headlights reminder
    Patent number: 4236479
    Abstract: A device for reminding an automobilist to turn off the headlights before exiting the automobile which comprises a plug removably attached to the headlight control knob and means for removably attaching the same plug at a point near the door handle whereby the automobilist will be reminded to remove the plug from the headlight knob when operating the knob and to attach the plug to the door handle where it will be sensed when the automobilist grasps the handle in order to open the door.
    Type: Grant
    Filed: March 19, 1979
    Date of Patent: December 2, 1980
    Inventors: Lila A. Walker, Richard A. Walker, Craig A. Walker