Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7197514 | Managing information relating to firestopping systems | Dennis L. Schaible | 2007-03-27 |
| 6521834 | Fire stopping cover plate for fire stopping electrical outlets and switches | Michael G. Dykhoff, D. Max Harshbarger | 2003-02-18 |