Office supplies; artists and teachers materials – Teaching material – Demonstrator or exhibitor
Patent
1992-03-10
1994-08-02
Deshmukh, Prabhakar G.
Office supplies; artists and teachers materials
Teaching material
Demonstrator or exhibitor
D21 48
Patent
active
D03493008
REFERENCES:
patent: D247002 (1978-01-01), Katoh
patent: D262720 (1982-01-01), Dweck
patent: D309161 (1990-07-01), Leung
patent: D311556 (1990-10-01), Popek et al.
patent: D315896 (1991-04-01), Brown
patent: 4494755 (1985-01-01), Caillouet, Jr.
patent: 5137457 (1992-08-01), Howard et al.
Plaything, Feb. 1977, p. 339, as shown.
Home Furnishings Daily, Sep. 1966, p. 32 as shown.
Plaything, Apr. 1980, p. 8, Oval Shaped Organ.
Deshmukh Prabhakar G.
VTECH Industries, Inc.
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