Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9169651 | Stairway system having an improved baluster assembly | — | 2015-10-27 |
| 7178791 | Adjustable staircase rail system | John M. Gray | 2007-02-20 |
| 7077386 | Adjustable staircase rail system | John M. Gray | 2006-07-18 |