Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6302343 | Textile tube | Christoph Engel, Uta-Maria Engel | 2001-10-16 |
| 5019028 | Method and apparatus for perforating and/or severing tubular bodies | Christoph Engel, Uta-Marie Engel | 1991-05-28 |