Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D566298 | Stackable precast concrete stairwell unit | Joseph A. Bornhorst, Vincent Combs, James J. Griffin, David J. Settles | 2008-04-08 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D566298 | Stackable precast concrete stairwell unit | Joseph A. Bornhorst, Vincent Combs, James J. Griffin, David J. Settles | 2008-04-08 |