Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4274251 | Yarn structure having main filaments and tie filaments | Chia-Seng Liu, Richard MacDuff | 1981-06-23 |
| 4207375 | Network structures and methods of making same | Chia-Seng Liu, Richard MacDuff | 1980-06-10 |
| 4186781 | Network structures and methods of making same | Chia-Seng Liu, Richard MacDuff | 1980-02-05 |