Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8307950 | Sound barrier wall | Stephen McCowin | 2012-11-13 |
| 8276711 | Sound barrier wall | Stephen McCowin | 2012-10-02 |
| 8230970 | Sound barrier wall | Stephen McCowin | 2012-07-31 |
| 5678363 | Sound barrier panel | Steve McCowin | 1997-10-21 |
| 5564241 | Sound-barrier panel | Stephen McCousin | 1996-10-15 |