Office supplies; artists and teachers materials – Teaching material
Patent
1992-03-12
1994-02-22
Feifer, Melvin B.
Office supplies; artists and teachers materials
Teaching material
D21155
Patent
active
D03445437
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patent: 1377261 (1921-05-01), McLain et al.
patent: 1864703 (1931-04-01), West
patent: 2265699 (1941-12-01), Osborne
patent: 2958961 (1960-11-01), Wheeler
patent: 3365198 (1964-09-01), Hay
patent: 3745675 (1973-07-01), Jimenez
patent: 3918178 (1975-11-01), Riley
Montgomery Ward Xmas Cat, 1974, p. 308, lower left, item E, Alphabet train.
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