Electronic learning aid housing

Games – toys – and sports goods – Toy – Coordination or hand-manipulative type

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2101

Patent

active

D04204042

REFERENCES:
patent: D196737 (1963-10-01), Thornell
patent: D282763 (1986-02-01), Catelli
patent: D324086 (1992-02-01), Woo
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patent: D371810 (1996-07-01), Arad et al.
patent: D406867 (1999-03-01), Wise et al.
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patent: 2806322 (1957-09-01), Ford
patent: 3411478 (1968-11-01), Thome
patent: 4237650 (1980-12-01), Goldfarb

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