Office supplies; artists and teachers materials – Equipment for writing – drawing – or for fine arts – Marking instrument
Patent
1980-01-14
1981-08-25
Word, George P.
Office supplies; artists and teachers materials
Equipment for writing, drawing, or for fine arts
Marking instrument
D19 48, D19 49, D1906
Patent
active
D02604060
REFERENCES:
patent: D113633 (1939-03-01), Kahn
patent: D169307 (1953-04-01), Ferber
patent: D175548 (1955-09-01), Kane
patent: D207190 (1967-03-01), Darsy
patent: D247246 (1978-02-01), Velona
patent: D249887 (1978-10-01), Anderka et al.
Adams Bruce L.
Burns Robert E.
Lobato Emmanuel J.
Pentel Kabushiki Kaisha (Pentel Co., Ltd.)
Word George P.
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