Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4798673 | Sequencing channel waste water reactor | — | 1989-01-17 |
| 4594156 | Motorized surface scum skimmer for waste water treatment apparatus | Peter Grujanac | 1986-06-10 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4798673 | Sequencing channel waste water reactor | — | 1989-01-17 |
| 4594156 | Motorized surface scum skimmer for waste water treatment apparatus | Peter Grujanac | 1986-06-10 |