Education and demonstration – Physical education – Developing or testing coordination
Patent
1987-05-04
1988-08-16
Grieb, William H.
Education and demonstration
Physical education
Developing or testing coordination
24143R, G09B 1900
Patent
active
047641193
ABSTRACT:
A teaching device for pre-school aged children and method of using the same whereby each such child is provided with and thereafter repetitiously drilled with the hand-eye mechanics for tying a bow knot in a string or lace. Each device comprises an elongated body portion having first and second end portions which are readily distinguished from each other by color or feel and an intermediate portion interconnecting the end portion.
REFERENCES:
patent: 2313874 (1943-03-01), Hume
patent: 2646630 (1953-07-01), Miller
patent: 2991561 (1961-07-01), Moore et al.
patent: 3571951 (1971-03-01), Siegel
patent: 4017984 (1977-04-01), Bonfigli
Grieb William H.
Mybeck Richard R.
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