Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4831872 | Method of measuring gear errors through meshing and separating and a machine thereof | Tongnian Huang, Dengyun You, Tongjing Lu, Rongan Duan | 1989-05-23 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4831872 | Method of measuring gear errors through meshing and separating and a machine thereof | Tongnian Huang, Dengyun You, Tongjing Lu, Rongan Duan | 1989-05-23 |