Office supplies; artists and teachers materials – Teaching material – Demonstrator or exhibitor
Patent
1988-12-19
1991-02-19
Burke, Wallace R.
Office supplies; artists and teachers materials
Teaching material
Demonstrator or exhibitor
D10106
Patent
active
D03147916
REFERENCES:
patent: D251419 (1979-03-01), Coombs
patent: D283495 (1986-04-01), Wavre
patent: 3864848 (1975-02-01), Smith
Burke Wallace R.
Jackson Marcus
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