Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9702494 | Duct assemblies with internally bolted expansion joint | Dennis W. Johnson, James H. Brown, Fred Smith, Kim Jackson | 2017-07-11 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9702494 | Duct assemblies with internally bolted expansion joint | Dennis W. Johnson, James H. Brown, Fred Smith, Kim Jackson | 2017-07-11 |