Office supplies; artists and teachers materials – Teaching material – Demonstrator or exhibitor
Patent
1985-04-15
1988-11-22
Ansher, Bernard
Office supplies; artists and teachers materials
Teaching material
Demonstrator or exhibitor
Patent
active
D02986388
REFERENCES:
patent: D267726 (1983-01-01), Ehrenreich
patent: D289179 (1987-04-01), Musgrave
Ansher Bernard
Shooman Theodore M.
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