Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4831787 | Honing process | Gunter Richter | 1989-05-23 |
| 4798024 | Method and apparatus for deburring the inner edge of part of a workpiece | — | 1989-01-17 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4831787 | Honing process | Gunter Richter | 1989-05-23 |
| 4798024 | Method and apparatus for deburring the inner edge of part of a workpiece | — | 1989-01-17 |