Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7866443 | Adjustable stair stringer and railing | Richard Truckner | 2011-01-11 |
| 6868944 | Adjustable stair stringer and railing | Richard Truckner | 2005-03-22 |
| 6354403 | Adjustable stair stringer and railing | Richard Truckner | 2002-03-12 |