Retractable safety writing instrument

Details Retractable safety writing instrument Retractable safety writing instrument

1978-09-25

1980-07-29

Stearman, Joel

Office supplies; artists and teachers materials

Equipment for writing, drawing, or for fine arts

Marking instrument

D19 49, D1906

Patent

active

D02561352

REFERENCES:
patent: D180022 (1957-04-01), Kent
patent: D202674 (1965-10-01), Dales
patent: 271872 (1883-02-01), Knapp
patent: 300693 (1884-06-01), Collard
patent: 1827619 (1931-10-01), Schroeder et al.

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