Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4367985 | Method of sealing salina excavations | Jerzy Tomaszewski, Rafal Nowakowski | 1983-01-11 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4367985 | Method of sealing salina excavations | Jerzy Tomaszewski, Rafal Nowakowski | 1983-01-11 |