Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6182790 | Adjustable safety net methods and apparatus | David S. Denny | 2001-02-06 |
| 6068085 | Adjustable safety net methods and apparatus | David S. Denny | 2000-05-30 |
| 5398777 | Lifeline anchor assembly for pre-cast concrete deck | David S. Denny, B. Holt Whatley | 1995-03-21 |
| 5188342 | Portable safety rail system | John Rexroad | 1993-02-23 |