Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7028431 | Fire-resistant door | Michael J. Carroll, Patrick Johnson | 2006-04-18 |
| 6615544 | Fire-resistant door | Michael J. Carroll, Patrick Johnson | 2003-09-09 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7028431 | Fire-resistant door | Michael J. Carroll, Patrick Johnson | 2006-04-18 |
| 6615544 | Fire-resistant door | Michael J. Carroll, Patrick Johnson | 2003-09-09 |