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, Stan Banaszkiewicz | 2012-10-23 |
| 7100862 | Roll-up machine and method | Joseph Skarzenski, Witold S. Czastkiewicz, Stan Banaszkiewicz | 2006-09-05 |
| 6712576 | Batch charger for cold top electric furnace | Joseph Skarzenski, Witold S. Czastkiewicz | 2004-03-30 |
| 6170298 | Glass spinner with partitioned spinning head | Joseph Skarzenski, Witold S. Czastkiewicz, Andrzej Nasiorowski | 2001-01-09 |