Office supplies; artists and teachers materials – Teaching material – Demonstrator or exhibitor
Patent
1986-10-03
1989-12-05
Dunkins, Bruce W.
Office supplies; artists and teachers materials
Teaching material
Demonstrator or exhibitor
D19 59, D19 60
Patent
active
D03049574
REFERENCES:
patent: D197608 (1964-03-01), Seaver
patent: D226610 (1973-04-01), Aumann
patent: D239935 (1976-05-01), Jack
patent: D265322 (1982-07-01), Gabriel
patent: 3011269 (1961-12-01), Thompson
patent: 4112593 (1978-09-01), Hill et al.
patent: 4604064 (1986-08-01), Boehm et al.
Dunkins Bruce W.
Interplex Electronics,Inc.
Thompson Martha
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