Disposable recording pen

Details Disposable recording pen Disposable recording pen

1975-06-09

1977-04-12

Stearman, Joel

Office supplies; artists and teachers materials

Equipment for writing, drawing, or for fine arts

Marking instrument

D1906

Patent

active

D02440253

REFERENCES:
patent: 3611430 (1971-10-01), Watchorn et al.
patent: 3893130 (1975-07-01), Browning et al.
patent: D229446 (1973-10-01), Dahl
patent: D229722 (1973-12-01), Felton

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