Oar-shaped pen

Details Oar-shaped pen Oar-shaped pen

1994-06-28

1995-08-15

Thompson, Martie

Office supplies; artists and teachers materials

Equipment for writing, drawing, or for fine arts

Marking instrument

D19 46, D19 51, D12215

Patent

active

D03613445

REFERENCES:
patent: D12303 (1881-06-01), Simpson
patent: D21538 (1892-05-01), Crawford
patent: D217840 (1970-06-01), Nichols
patent: D217939 (1970-06-01), Nichols
patent: D252520 (1979-07-01), Ijiri
patent: D319466 (1991-08-01), Summers
patent: D335274 (1993-05-01), Beckerer, Jr.
patent: D343608 (1994-01-01), Nazara
patent: D352962 (1994-11-01), Zier
patent: 888520 (1908-05-01), Merriman et al.
patent: 4061106 (1977-12-01), Ware
patent: 4623314 (1986-11-01), Waugh

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