U.S. patent number D521,576 [Application Number D/221,754] was granted by the patent office on 2006-05-23 for skiing and skating trainer. Invention is credited to Bob Hsiung.
United States Patent | D521,576 |
Hsiung | May 23, 2006 |
Inventors: | Hsiung; Bob (Walnut, CA) |
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Appl. No.: | D/221,754 |
Filed: | January 18, 2005 |
Current U.S. Class: | D21/668; D21/670 |
Current International Class: | 2102 |
Field of Search: | ;D21/662,663,664,666,667,668,669,670 ;482/51,52,53,54,71,72 |
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