Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6913423 | Modular reinforced fiber log erosion and sediment control barrier | J. Eric Spangler, Bob Abbott, James A. Blazek | 2005-07-05 |
| 6910835 | Modular fiber log erosion and sediment control barrier | J. Eric Spangler, Bob Abbott, James A. Blazek | 2005-06-28 |
| 6709202 | Modular fiber log erosion and sediment control barrier | J. Eric Spangler, Bob Abbott, James A. Blazek | 2004-03-23 |
| 6547493 | Modular fiber log erosion and sediment control barrier | J. Eric Spangler, Bob Abbott, James A. Blazek | 2003-04-15 |