Combined ball-point pen and lamp

Details Combined ball-point pen and lamp Combined ball-point pen and lamp

1992-11-18

1994-04-12

Holtje, Nelson C.

Office supplies; artists and teachers materials

Equipment for writing, drawing, or for fine arts

Plural or combined

D19 50, D19 51, D26 38

Patent

active

D03459918

REFERENCES:
patent: D060192 (1922-01-01), Mason, Jr.
patent: D155561 (1949-10-01), Weiss
patent: D268598 (1983-04-01), Mizutani et al.
patent: D300087 (1989-03-01), Henderson
patent: D301486 (1989-06-01), Yuen
patent: D321717 (1991-11-01), Hager
patent: D327704 (1992-07-01), Yuen
patent: D329823 (1992-09-01), Francisco
patent: 2607883 (1952-08-01), Berkowitz
patent: 4518274 (1985-05-01), Hanggi

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