Office supplies; artists and teachers materials – Equipment for writing – drawing – or for fine arts – Marking instrument
Patent
1976-05-04
1978-05-30
Stearman, Joel
Office supplies; artists and teachers materials
Equipment for writing, drawing, or for fine arts
Marking instrument
D19 47, D1906
Patent
active
D02480280
REFERENCES:
patent: D228418 (1973-09-01), Locke
patent: D229446 (1973-11-01), Dahl
patent: 3048149 (1962-08-01), Guttman
patent: 3947977 (1976-04-01), Bishop
Jacobson Harvey B.
Stearman Joel
Word George P.
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