Writing instrument

Details Writing instrument Writing instrument

1994-06-16

1995-08-15

Thompson, Martie

Office supplies; artists and teachers materials

Equipment for writing, drawing, or for fine arts

Marking instrument

D19 48, D19 49, D19 56

Patent

active

D03613461

REFERENCES:
patent: D19277 (1889-08-01), Todd, Jr.
patent: D138825 (1944-09-01), Waldinger
patent: D141858 (1945-07-01), Ullman
patent: D143050 (1945-11-01), Waldinger
patent: D170539 (1953-10-01), Lovejoy
patent: D177370 (1956-04-01), Ensign
patent: D283901 (1986-05-01), Horntrich
patent: 5228794 (1993-07-01), Hochstetler

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