Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6595102 | Reactive personnel protection system and method | David Stevens, Thomas J. Warnagiris | 2003-07-22 |
| 6412391 | Reactive personnel protection system and method | David Stevens, Thomas J. Warnagiris | 2002-07-02 |
| 6029558 | Reactive personnel protection system | David Stevens, Thomas J. Warnagiris | 2000-02-29 |
| 5490661 | Quick release system for guardrail terminals | David Stevens, Joseph Mayer | 1996-02-13 |