Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5703135 | Production of expanded polyolefin beads | Jurgen Schweinzer, Isidoor De Grave, Wolfram Kogel | 1997-12-30 |
| 5669248 | Textile machines, in particular warp knitting machines, with thread lifting elements | Kresimir Mista | 1997-09-23 |