Title:
Toy railway with sound effects
United States Patent 2247418

Inventors:
Smith, William R.
Publication Date:
07/01/1941
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Assignee:
Smith, William R.
Primary Class:
246/31
Other Classes:
369/70, 246/124, 446/410, 369/20, 369/63
International Classes:
A63H19/00; A63H19/14