| Number | Date | Country | Kind |
|---|---|---|---|
| DM/024145 | Oct 1992 | XHX |
| Number | Name | Date | Kind |
|---|---|---|---|
| D202349 | Bisnett et al. | Sep 1965 | |
| D215604 | Shmural et al. | Oct 1969 | |
| 3348148 | Parsons et al. | Oct 1967 | |
| 4716499 | Bhargava | Dec 1987 | |
| 4916575 | Van Asten | Apr 1990 | |
| 4953058 | Harris | Aug 1990 |
| Entry |
|---|
| Vicor power supplies on p. 6 of EDN Nov. 7, 1991. |
| Kepco power supplies on p. 175 of EDN Nov. 21. 1991. |