Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4681688 | Tubular trash net for pre-treating sewage, with replaceable net cassette | Sten Y. Sondov | 1987-07-21 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4681688 | Tubular trash net for pre-treating sewage, with replaceable net cassette | Sten Y. Sondov | 1987-07-21 |