Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4859393 | Method of preparing poly (p-phenyleneterephthalamide) yarns of improved fatigue resistance | Hung H. Yang | 1989-08-22 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4859393 | Method of preparing poly (p-phenyleneterephthalamide) yarns of improved fatigue resistance | Hung H. Yang | 1989-08-22 |