Title:
Voice controlled toy train system
United States Patent 2221963

Inventors:
Case, Noel L.
Franklin, Bernard S.
Publication Date:
11/19/1940
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Assignee:
MARX & CO LOUIS
Primary Class:
104/302
Other Classes:
318/283, 318/460, 246/4, 200/61.010, 200/83R, 200/81.90R, 200/81R, 200/80R, 104/295, 200/61.100, 361/182, 200/1R
International Classes:
A61F4/00; A63H19/24; A63H19/00