Illumination – Door knob or keyhole illuminator
Patent
1980-03-24
1982-01-12
Lechert, Jr., Stephen J.
Illumination
Door knob or keyhole illuminator
362186, 362800, E05B 1710
Patent
active
043108733
ABSTRACT:
A structure for mounting adjacent a key hole, having means therein for illuminating said key hole. The outside cover provides a large area contact surface for activating the light. The circuitry is updated electronic components to provide a touch contact switch and a short period timer. The battery is a voltage cell and the light is a light emitting diode.
REFERENCES:
patent: 4037221 (1977-07-01), Alexander
Cennamo Anthony D.
Lechert Jr. Stephen J.
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