Knot tying training device

Details Knot tying training device Knot tying training device

2000-02-01

2001-11-20

Aronovich, Adir (Department: 2912)

Office supplies; artists and teachers materials

Teaching material

Demonstrator or exhibitor

Design Patent

active

D0450770

CLAIM:
The ornamental design for a knot tying training device, as shown and described.

REFERENCES:
patent: D. 143237 (1945-12-01), Pares
patent: D. 368492 (1996-04-01), McLaughlin
patent: D. 383163 (1997-09-01), Davidson
patent: 2624957 (1953-01-01), Collins

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