Ball point writing instrument

Details Ball point writing instrument Ball point writing instrument

1983-12-27

1986-02-18

Word, George P.

Office supplies; artists and teachers materials

Equipment for writing, drawing, or for fine arts

Marking instrument

D19 51, D19 55

Patent

active

D02826720

REFERENCES:
patent: D93807 (1934-11-01), Back
patent: D145586 (1946-09-01), Reynolds
patent: D194296 (1962-12-01), Lovejoy
patent: D217646 (1970-05-01), DeGroft
patent: D251301 (1979-03-01), Malamoud
patent: D271028 (1983-10-01), Adams
patent: D277393 (1985-01-01), Oyabu

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