Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6192641 | Expansion joint fire barrier for walls | David Willke | 2001-02-27 |
| 6125601 | Rollable fire-rated expansion joint | Vaughn V. Barnes | 2000-10-03 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6192641 | Expansion joint fire barrier for walls | David Willke | 2001-02-27 |
| 6125601 | Rollable fire-rated expansion joint | Vaughn V. Barnes | 2000-10-03 |