Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11692339 | Storm drain grate and filter apparatus and method | Thomas James Stypula | 2023-07-04 |
| 11332918 | Storm drain grate and filter apparatus and method | Thomas James Stypula | 2022-05-17 |
| 11096386 | Removable catch basin filter insert and lifting apparatus | — | 2021-08-24 |
| 10897927 | Nonlinear flexible magnetic filter element | Terry B. Lowe | 2021-01-26 |
| 10724224 | Storm drain grate and filter apparatus and method | Thomas James Stypula | 2020-07-28 |
| 10334839 | Removable catch basin filter insert and lifting apparatus | — | 2019-07-02 |