Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4803861 | Guide structure for pierced hollows | Rolf Kuemmerling, Manfred Mueller, Wilhelm Nickel | 1989-02-14 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4803861 | Guide structure for pierced hollows | Rolf Kuemmerling, Manfred Mueller, Wilhelm Nickel | 1989-02-14 |