Office supplies; artists and teachers materials – Teaching material – Demonstrator or exhibitor
Patent
1982-11-08
1985-06-18
Ansher, Bernard
Office supplies; artists and teachers materials
Teaching material
Demonstrator or exhibitor
Patent
active
D02792982
REFERENCES:
patent: D180817 (1957-08-01), Brandt et al.
patent: D187073 (1960-01-01), Brandt et al.
patent: D195975 (1963-08-01), Bianco et al.
United Transformer Corp., Bulletin No. BC1, p. 38, bottom left of page.
Ansher Bernard
Breh Donald J.
Gabala James A.
Gealow Jon Carl
McGraw-Edison Company
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