Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7905187 | Yarn feed system for tufting machines | Roy T. Card, William M. Christman, Jr. | 2011-03-15 |
| 7096806 | Yarn feed system for tufting machines | Roy T. Card, William M. Christman, Jr. | 2006-08-29 |
| 6945183 | Yarn feed system for tufting machines | Roy T. Card, William M. Christman, Jr. | 2005-09-20 |
| 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 |