Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6056137 | Retrofit underground storage tank and method for making the same | Edward B. Cannan, Jr., Edgar Clifford Crosby, III, Larry D. Lumpkin, John C. King, Stephen C. Macy | 2000-05-02 |
| 5816424 | Retrofit underground storage tank | Edward B. Cannan, Jr., Edgar Clifford Crosby, III, Larry D. Lumpkin, John C. King, Stephen C. Macy +1 more | 1998-10-06 |