Mechanical pencil or similar article

Details Mechanical pencil or similar article Mechanical pencil or similar article

1981-04-13

1983-05-31

Word, George P.

Office supplies; artists and teachers materials

Equipment for writing, drawing, or for fine arts

Marking instrument

D19 56, D1906

Patent

active

D02691892

REFERENCES:
patent: D112750 (1938-12-01), Blake
patent: D192836 (1962-05-01), Zierhut
patent: D194295 (1962-12-01), Lovejoy
patent: D256136 (1980-07-01), Muller
patent: D260021 (1981-07-01), Carre
patent: D265212 (1982-06-01), Spiegel

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