Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6569296 | Ladder anode for cathodic protection of steel reinforcement in atmospherically exposed concrete | Dennis F. Dong, Richard E. Loftfield | 2003-05-27 |
| 6562229 | Louvered anode for cathodic protection systems | Dennis F. Dong, Richard E. Loftfield | 2003-05-13 |
| 6056867 | Ladder anode for cathodic protection | Dennis F. Dong, Richard E. Loftfield | 2000-05-02 |