Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4869555 | Apparatus for recovery of sulfur | John R. Peters, Max E. Ramey, Arturo E. Seyffert, Michael Robinson, William T. Abercrombie | 1989-09-26 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4869555 | Apparatus for recovery of sulfur | John R. Peters, Max E. Ramey, Arturo E. Seyffert, Michael Robinson, William T. Abercrombie | 1989-09-26 |