Number | Date | Country | Kind |
---|---|---|---|
001954298 | Nov 2011 | EM | regional |
Number | Name | Date | Kind |
---|---|---|---|
3485376 | Peterson et al. | Dec 1969 | A |
3948779 | Jackson | Apr 1976 | A |
3971722 | Radford | Jul 1976 | A |
4159951 | Davis | Jul 1979 | A |
4285817 | Barthelemy | Aug 1981 | A |
4330405 | Davis et al. | May 1982 | A |
4655920 | Ragnegard | Apr 1987 | A |
4844806 | Drori | Jul 1989 | A |
4935136 | Drori | Jun 1990 | A |
5258120 | Knodel et al. | Nov 1993 | A |
5766466 | Peterson | Jun 1998 | A |
5893972 | Peterson | Apr 1999 | A |
7314556 | Sheets et al. | Jan 2008 | B2 |