Toy gear
United States Patent 2477441
US Patent References:
/0504645.html
- - 0504645

Means for transmitting varying rotary motion
- - 1530920

Exhibition apparatus
- - 1722659


Inventors:
Cole, Leonard W.
Publication Date:
07/26/1949
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Assignee:
Cole, Leonard W.
Primary Class:
434/401
Other Classes:
446/236, 74/437, D19/64
International Classes:
A63H33/04; F16H35/02; F16H55/08; G09B25/02; F16H35/00; F16H55/02; G09B25/00