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| D412064 | Achepohl et al. | Jul 1999 | S |
| D418982 | Vonarburg | Jan 2000 | S |
| D453270 | Choong | Feb 2002 | S |
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| D456139 | Hohlbein | Apr 2002 | S |
| D457325 | Wilson et al. | May 2002 | S |
| D498926 | Wong | Nov 2004 | S |
| 7143462 | Hohlbein | Dec 2006 | B2 |
| Number | Date | Country |
|---|---|---|
| 2840429 | Mar 1980 | DE |
| 000105655-0014 | Mar 2004 | EP |
| 000105655-0015 | Mar 2004 | EP |
| 000105655-0016 | Mar 2004 | EP |
| 2001314232 | Nov 2001 | JP |
| WO 0117433 | Mar 2001 | WO |