Office supplies; artists and teachers materials – Teaching material – Demonstrator or exhibitor
Patent
1974-10-15
1976-12-28
Stearman, Joel
Office supplies; artists and teachers materials
Teaching material
Demonstrator or exhibitor
D1401
Patent
active
D02428571
REFERENCES:
patent: D223254 (1972-04-01), Adams et al.
High Fidelity Magazine 9-'64, p. 114. Tape Recorder No. 314A-314E, at top center of page.
Rademaker C. A.
Schulze Herbert C.
Stearman Joel
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