Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6926013 | Apparatus and methods for shielding high-pressure fluid devices | Samuel A. Martin, Leslie P. Antalffy, Michael B. Knowles, John W. Oder, George T. West | 2005-08-09 |
| 6113745 | Coke drum system with movable floor | Charles Maitland, Samuel A. Martin, Michael B. Knowles, Leslie P. Antalffy | 2000-09-05 |