Language-studying device

Details Language-studying device Language-studying device

2006-11-21

2006-11-21

Zarfas, Louis (Department: 2914)

Office supplies; artists and teachers materials

Teaching material

Design Patent

active

D0532456

CLAIM:
The ornamental design for a language-studying device, as shown and described.

REFERENCES:
patent: D418637 (2000-01-01), Bionde et al.
patent: D430910 (2000-09-01), Cutillo et al.
patent: D434799 (2000-12-01), Wood
patent: D450788 (2001-11-01), Kawasaki
patent: D470901 (2003-02-01), DeLaney
patent: D496077 (2004-09-01), Rutherford et al.
patent: D501898 (2005-02-01), Rutherford et al.
patent: D522071 (2006-05-01), Strother et al.
patent: 2001/0024924 (2001-09-01), Ueno et al.

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