Office supplies; artists and teachers materials – Teaching material – Demonstrator or exhibitor
Patent
1992-07-06
1994-03-15
Burke, Wallace R.
Office supplies; artists and teachers materials
Teaching material
Demonstrator or exhibitor
D12102
Patent
active
D03451780
REFERENCES:
patent: D195029 (1963-04-01), Hotkins et al.
Burgess Pam
Burke Wallace R.
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