Issued Patents 2002
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6454488 | Roadway energy absorbing impact attenuator | David Lewis, William Bryson, William Atwood | 2002-09-24 |
| 6422714 | Illuminated, solar powered, vehicle activated, traffic sign | — | 2002-07-23 |
| 6409433 | Foundation piles or similar load carrying elements | Alfred Owen | 2002-06-25 |
| 6367208 | Composite foundation post | Jerome Campbell | 2002-04-09 |