Light pen

Details Light pen Light pen

1998-08-10

1999-10-05

Quach, Y.

Illumination

Chemiluminescent lighting

362118, B43K 2910

Patent

active

059611995

ABSTRACT:
A light pen comprises a barrel defining a chamber therein, a cap detachably mounted on the upper end of the barrel having a cavity defined therein, a luminous bar disposed in the cavity of the cap and received in the chamber of the barrel. The luminous bar can be reversed on the barrel to provide a warning.

REFERENCES:
patent: 2774860 (1956-12-01), Prebol et al.
patent: 3875602 (1975-04-01), Miron
patent: 4064428 (1977-12-01), Van Zandt
patent: 5008780 (1991-04-01), Pennington-Ridge
patent: 5036442 (1991-07-01), Brown
patent: 5303133 (1994-04-01), Wagner
patent: 5416670 (1995-05-01), Authier

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