Office supplies; artists and teachers materials – Equipment for writing – drawing – or for fine arts – Marking instrument
Patent
1982-03-12
1983-11-01
Word, George P.
Office supplies; artists and teachers materials
Equipment for writing, drawing, or for fine arts
Marking instrument
D19 43, D19 56, D1906
Patent
active
D02712121
REFERENCES:
patent: D249887 (1978-10-01), Anderka
patent: D257857 (1981-01-01), Leuenberger
patent: D258217 (1981-02-01), Sakaoka
patent: D260406 (1981-08-01), Itoh
Visual Systems Cat. 1978, p. 128f.
Adams Bruce L.
Burns Robert E.
Lobato Emmanuel J.
Pentel Kabushiki Kaisha d.b.a. Pentel Co., Ltd.
Word George P.
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