Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4552209 | Arrangement of discrete structural parts, especially heat exchanger | Wilhelm Vogel | 1985-11-12 |
| 4491557 | Method for permanently connecting discrete structural parts | Wilhelm Vogel | 1985-01-01 |