Knot tying training device

Details Knot tying training device Knot tying training device

1996-04-08

1997-09-02

Lucas, Susan J.

Office supplies; artists and teachers materials

Teaching material

Demonstrator or exhibitor

D2907, 1907

Patent

active

D03831639

REFERENCES:
patent: D237069 (1975-10-01), Sammers
patent: D243421 (1977-02-01), Cohen
patent: D314404 (1991-02-01), Sessa
ABC School Supply, 1994, p. 80 "Lace-A-Shoe" on middle right side of page.

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