Toy helicopter

Details Toy helicopter Toy helicopter

1977-06-09

1979-09-25

Stearman, Joel

Games, toys, and sports goods

Toy

Representation or scale model

D2101

Patent

active

D02530031

REFERENCES:
patent: 2418269 (1947-04-01), Lewis
patent: 3229414 (1966-01-01), Bross
patent: 3229415 (1966-01-01), Bross
patent: 3704540 (1972-12-01), Montagu
New York Times, 11-1956, p. 1, Financial Section, Helicopter.

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