Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5351260 | Thoriated-tungsten, split-ring, hollow-cathode electrode for discharge devices | Edward J. Seibert, Gerald D. Ferguson | 1994-09-27 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5351260 | Thoriated-tungsten, split-ring, hollow-cathode electrode for discharge devices | Edward J. Seibert, Gerald D. Ferguson | 1994-09-27 |