Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4232507 | Apparatus and method for wrapping core yarns | Donald Ralph Hart | 1980-11-11 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4232507 | Apparatus and method for wrapping core yarns | Donald Ralph Hart | 1980-11-11 |