Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8944114 | Mortar-coated steel pipes and methods of making the same | Ralph Friedrich, Qizhong Sheng | 2015-02-03 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8944114 | Mortar-coated steel pipes and methods of making the same | Ralph Friedrich, Qizhong Sheng | 2015-02-03 |