Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6368741 | Stopper plug for storage batteries | Josef Hackel, Norbert Maleschitz, Franz Zwingl | 2002-04-09 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6368741 | Stopper plug for storage batteries | Josef Hackel, Norbert Maleschitz, Franz Zwingl | 2002-04-09 |