Number | Name | Date | Kind |
---|---|---|---|
RE30042 | Hiemstra et al. | Jul 1979 | |
2026446 | Trott | Dec 1935 | |
2081546 | MacPherson | May 1937 | |
2160808 | Bradley | Jun 1939 | |
3129962 | Cohen | Apr 1964 | |
3386526 | Burg | Jun 1968 | |
3746127 | Leventhal | Jul 1973 | |
3944265 | Hiemstra et al. | Mar 1976 | |
4183122 | Wagner | Jan 1980 | |
4558891 | Wagner et al. | Dec 1985 | |
4790574 | Wagner et al. | Dec 1988 | |
5116083 | Gillingham et al. | May 1992 |
Number | Date | Country | |
---|---|---|---|
Parent | 096608 | Nov 1998 |