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| D314354 | Droschl | Feb 1991 | S |
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| D363358 | Wang | Oct 1995 | S |
| D379550 | Kuo | May 1997 | S |
| D421313 | Bowker | Feb 2000 | S |
| D422742 | Yoshikawa | Apr 2000 | S |
| D423698 | Yuen | Apr 2000 | S |
| D522910 | Welzig | Jun 2006 | S |
| D534670 | Chengfeng | Jan 2007 | S |
| D562488 | Weiser | Feb 2008 | S |
| 20050083691 | Jahn et al. | Apr 2005 | A1 |
| Number | Date | Country | |
|---|---|---|---|
| Parent | 29379941 | Nov 2010 | US |
| Child | 29425363 | US |