Butterfly puzzle

Details Butterfly puzzle Butterfly puzzle

1975-09-17

1977-08-23

Stearman, Joel

Material or article handling equipment

Hand cart or frame therefor

Golf cart

D2101

Patent

active

D02455285

REFERENCES:
patent: 1544618 (1925-07-01), Waite
patent: 2923550 (1960-02-01), Blackman et al.
patent: 3181869 (1965-05-01), Genin et al.
New Market Catalog, 1973, p. 31, Wood Animals.

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