Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6834601 | Yarn feed system for tufting machines | Roy T. Card, William M. Christman, Jr. | 2004-12-28 |
| 6807917 | Yarn feed system for tufting machines | William M. Christman, Jr. | 2004-10-26 |