Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9505143 | One-step groove forming device and method for oblique crossing of reducing pipe fittings | Jinhua Wang | 2016-11-29 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9505143 | One-step groove forming device and method for oblique crossing of reducing pipe fittings | Jinhua Wang | 2016-11-29 |