Office supplies; artists and teachers materials – Teaching material
Patent
1980-01-03
1982-01-05
Largen, James R.
Office supplies; artists and teachers materials
Teaching material
D23 12, D21166, D1901
Patent
active
D02625458
REFERENCES:
patent: D109393 (1938-04-01), Dodd
patent: D222695 (1971-12-01), Smith
patent: D234423 (1975-03-01), Dashner
patent: D249371 (1978-09-01), Salt et al.
patent: 2141692 (1938-12-01), Lofton et al.
Washington Star-News, Sunday Jun. 16, 1974, p. A-6, top left item.
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