Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8471449 | Attaching a precious metal component to spark plug electrode and spark plug having the same | Werner Niessner | 2013-06-25 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8471449 | Attaching a precious metal component to spark plug electrode and spark plug having the same | Werner Niessner | 2013-06-25 |