| Number | Date | Country | Kind |
|---|---|---|---|
| 000713813-0001 | Apr 2007 | EM | regional |
| Number | Name | Date | Kind |
|---|---|---|---|
| D210025 | Kleinberg et al. | Jan 1968 | S |
| 3369243 | Greiser | Feb 1968 | A |
| 4607394 | Nightingale | Aug 1986 | A |
| 4825220 | Edward et al. | Apr 1989 | A |
| 5563616 | Dempsey et al. | Oct 1996 | A |
| 5696372 | Grober et al. | Dec 1997 | A |
| 6703975 | Freeman | Mar 2004 | B1 |
| 7019704 | Weiss | Mar 2006 | B2 |
| 7123207 | Yazdandoost et al. | Oct 2006 | B2 |
| 7193576 | Yazdandoost et al. | Mar 2007 | B2 |
| 7339529 | Martek | Mar 2008 | B2 |
| D587691 | Oliver | Mar 2009 | S |
| D587693 | Ohshima | Mar 2009 | S |
| 7583233 | Goldberg et al. | Sep 2009 | B2 |
| 20030043084 | Egashira | Mar 2003 | A1 |
| 20090231229 | Phillips et al. | Sep 2009 | A1 |