Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6467344 | Underground storage tank buoyancy and buoyancy safety factor calculation method and apparatus | Kiet Tuong Ly, John Burwell, Robin Berg | 2002-10-22 |
| 6398057 | Triple walled underground storage tank | Robin Berg, John Burwell, John Smith | 2002-06-04 |
| 6397168 | Seismic evaluation method for underground structures | Joseph Plecnik, Robin Berg | 2002-05-28 |