Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4975325 | Self crimpable nylon 66 carpet yarn | Frank Stutz, Chester C. Wu, Jing-peir Yu | 1990-12-04 |
| 4816550 | Polyamide feed yarn for air-jet texturing | Frank Stutz, Jing-peir Yu | 1989-03-28 |