Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11839996 | Method and device for processing a mixture of recycled polyester material and a polyester prepolymer from a polyester manufacturing process | Andreas Christel | 2023-12-12 |
| 4981093 | Sewing machine with a needle bar mounted in a swinging frame | — | 1991-01-01 |