Issued Patents 2025
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12359609 | Extended-life prechamber sparkplug for engine system and engine system operating method | James Jay Cress, Andrew G. Hockett | 2025-07-15 |
| 12196168 | Sparkplug having cathode and anode compositions for extended service life | James Jay Cress, Christopher M. Hoops | 2025-01-14 |