Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4522774 | Integrated process for the production of textured polycaprolactam multifilament yarn | Wilhelm Andreas Haberkorn, Gerry A. Hagen, Thomas McGregor, William Postman | 1985-06-11 |
| 4412371 | Device for introducing a traveling yarn into a yarn treatment chamber | Gerry A. Hagen | 1983-11-01 |