Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5471032 | Electrical resistance ignitor with spaced parallel filaments brazed in refractory block recesses | Gordon B. Spellman | 1995-11-28 |
| 5218751 | Method of making a resistance ignitor for igniting gaseous fuel | James M. Pick, Selami Y. Pusatcioglu | 1993-06-15 |