Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4873821 | Apparatus and process for forming alternate twist plied yarn | Donald E. Hallam, Peter Popper, Robert Edward Taylor, Paul W. Yngve | 1989-10-17 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4873821 | Apparatus and process for forming alternate twist plied yarn | Donald E. Hallam, Peter Popper, Robert Edward Taylor, Paul W. Yngve | 1989-10-17 |