Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11235923 | Flat panel above-ground storage tank | William C. Polacek, Randall Shank | 2022-02-01 |
| 11230853 | Large capacity above ground impoundment tank | — | 2022-01-25 |
| 11091317 | Vertical fluid storage tank with connecting ports | William C. Polacek, Matthew J. Hughes | 2021-08-17 |
| 10494170 | Portable vertical fluid storage tank | William C. Polacek, Matthew J. Hughes | 2019-12-03 |
| 10202236 | Portable vertical fluid storage tank | William C. Polacek, Matthew J. Hughes | 2019-02-12 |
| D819778 | Vertical fluid storage tank | William C. Polacek, Matthew J. Hughes | 2018-06-05 |