| Number | Date | Country | Kind |
|---|---|---|---|
| 123-408 | Jul 1996 | CHX |
| Number | Name | Date | Kind |
|---|---|---|---|
| 107097 | Porter | Sep 1870 | |
| D278525 | Morawski | Apr 1985 | |
| D282996 | Bosenberg | Mar 1986 | |
| D288799 | Peress | Mar 1987 | |
| D308149 | Lewis et al. | May 1990 |
| Entry |
|---|
| Nuclear news, Aug. 1992, vol. 35/No. 10, R.o.V. Technologies Inc. advertisment, p. 20, Aug. 1992. |