Patents Assigned to John F. Doerr
  • Safety light warning system for vehicles and the like
    Patent number: 4470036
    Abstract: An automobile signal system, having three modes of operation, stop, caution, and go. All three modes are energized by the automobile battery when the ignition switch is closed. The caution mode will operate only when neither the gas or brake pedals are pressed. The stop mode utilizes a relay to isolate its circuitry from that of the caution mode. The go mode utilizes a switch which is activated by an accelerator sensitive member.
    Type: Grant
    Filed: August 29, 1983
    Date of Patent: September 4, 1984
    Assignee: John F. Doerr
    Inventors: John F. Doerr, Richard L. Miller