U.S. patent number D661,215 [Application Number D/403,431] was granted by the patent office on 2012-06-05 for three port whistle. Invention is credited to David Foxcroft, Ronald Foxcroft, Graham Hills, Kirk Mosna, Stephen Orzel.
United States Patent | D661,215 |
Foxcroft , et al. | June 5, 2012 |
Inventors: | Foxcroft; Ronald (Burlington, CA), Foxcroft; David (Burlington, CA), Hills; Graham (Hamilton, CA), Orzel; Stephen (Hamilton, CA), Mosna; Kirk (Ancaster, CA) |
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Appl. No.: | D/403,431 |
Filed: | October 6, 2011 |
Current U.S. Class: | D10/119.3 |
Current International Class: | 1005 |
Field of Search: | ;D10/119.1,119.3 ;446/202-209 |
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D462917 | September 2002 | Hills et al. |
D488085 | April 2004 | Cheng |
D622172 | August 2010 | Hills et al. |
7987809 | August 2011 | Uribe et al. |
2003/0033970 | February 2003 | Hills et al. |
2009/0178606 | July 2009 | Wu |
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