Office supplies; artists and teachers materials – Equipment for writing – drawing – or for fine arts – Marking instrument
Patent
1979-03-15
1981-09-01
Word, George P.
Office supplies; artists and teachers materials
Equipment for writing, drawing, or for fine arts
Marking instrument
D19 48, D19 49, D19 57, D1906
Patent
active
D02605317
REFERENCES:
patent: D94375 (1935-01-01), Back
patent: D145431 (1946-08-01), Flanagan
patent: D163606 (1951-06-01), Horwitch
patent: D205872 (1966-09-01), Parker
Levine Alan H.
Word George P.
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