Wheeled skis
United States Patent 3285618
US Patent References:
/1154510.html
- - 1154510
/1308377.html
- - 1308377
Power-actuating means for tricycles and the like
- - 1653889
/1154510.html
- - 1154510
/1308377.html
- - 1308377
Power-actuating means for tricycles and the like
- - 1653889
Inventors:
Welch, Herman L.
Publication Date:
11/15/1966
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Assignee:
Welch, Herman L.
Primary Class:
Other Classes:
280/221, 280/251
International Classes:
A63C5/06
Foreign References:
| GB855400A |