Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8291730 | Spinner for manufacturing dual-component irregularly-shaped hollow insulation fiber | Joseph Skarzenski, Witold S. Czastkiewicz, Erkki Paivinen | 2012-10-23 |
| 7100862 | Roll-up machine and method | Joseph Skarzenski, Witold S. Czastkiewicz, Erkki Paivinen | 2006-09-05 |
| 7003987 | Hybrid spinner for making a mixture of single-glass and dual-glass fibres right at the fibre forming stage | Joseph Skarzenski, Witold S. Czastkiewicz | 2006-02-28 |
| 6990837 | High throughput capacity spinner for manufacturing dual-component curly fibers | Joseph Skarzenski, Witold S. Czastkiewicz | 2006-01-31 |