Flashlight

Details Flashlight Flashlight

1993-04-28

1994-05-24

Yeung, James C.

Illumination

Self powered lamp

Cylindrical flashlight casing

362187, 362206, F21L 700

Patent

active

053154932

ABSTRACT:
A flashlight having a body with a first externally threaded end engaged by a tubular head and a second internally threaded end engaged by a plug, whereby the focus of the flashlight may be adjusted by rotating the tubular head relative to the first end of the body and the flashlight may be turned off and on by rotating the plug relative to the second end of the body.

REFERENCES:
patent: 2937266 (1960-05-01), Munro
patent: 4733337 (1988-03-01), Bieberstein
patent: 5113326 (1992-05-01), Maglica
patent: 5122938 (1992-06-01), Pastusek

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