Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4990449 | Compost-containing cartridge for biological regeneration of an aquatic medium | — | 1991-02-05 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4990449 | Compost-containing cartridge for biological regeneration of an aquatic medium | — | 1991-02-05 |