Combined pen and timer

Details Combined pen and timer Combined pen and timer

1993-06-24

1994-11-22

Thompson, Martie

Office supplies; artists and teachers materials

Equipment for writing, drawing, or for fine arts

Plural or combined

D10 40, D10 2, D19 46

Patent

active

D03527344

REFERENCES:
patent: D280215 (1985-08-01), Huang
patent: D286165 (1986-10-01), Rooney
patent: D289424 (1987-04-01), Huang
patent: D294228 (1988-02-01), Blazzo
patent: D313185 (1990-12-01), Sullivan
patent: D329255 (1992-09-01), Tu
patent: D334028 (1993-03-01), Tam
patent: D337952 (1993-08-01), Wolff
patent: 4881187 (1989-11-01), Read

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