Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5215021 | Needle with triangular end and thermal load reducing eye | — | 1993-06-01 |
| 4519330 | Sewing needle with two portion shank | Thaddeus J. Zylbert, Hans Hammer, Fritz Kappertz | 1985-05-28 |