Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 7344046 | Spacerless or geocomposite double bottom for storage tank | Kenneth L. Erdmann | 2008-03-18 | $5,367,000 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 7344046 | Spacerless or geocomposite double bottom for storage tank | Kenneth L. Erdmann | 2008-03-18 | $5,367,000 |