Issued Patents 2005
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6971937 | Method of manufacturing a spark plug for an internal combustion engine | Lars Menken, Bernd Reinsch, Klaus Hrastnik, Klaus Czerwinski | 2005-12-06 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6971937 | Method of manufacturing a spark plug for an internal combustion engine | Lars Menken, Bernd Reinsch, Klaus Hrastnik, Klaus Czerwinski | 2005-12-06 |