Nasal tract model

Details Nasal tract model Nasal tract model

1998-08-18

1999-09-07

Holtje, Martie K.

Office supplies; artists and teachers materials

Teaching material

Demonstrator or exhibitor

D19 59, D19 97, D9314, 1907

Patent

active

D04136292

REFERENCES:
patent: D240715 (1976-07-01), Schwartz
patent: D258046 (1981-01-01), Richmond
patent: D258668 (1981-03-01), Moss
patent: D259180 (1981-05-01), Zeiger
patent: D259702 (1981-06-01), Richmond
patent: 298746 (1884-05-01), Guirey
patent: D305340 (1990-01-01), Stein
patent: D352234 (1994-11-01), Costa
patent: 4209919 (1980-07-01), Kirikae et al.
patent: 5090910 (1992-02-01), Narlo
patent: 5846087 (1998-12-01), Scherer
Oriental Trading Company Catalog, see p. 14, circled nose, bottom center, Sep. 1997.

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