Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4635738 | Drill bit | Hans Schillinger, Klaus Pahlke, Heinz-Juergen Panhorst, Hans-Eckhard Mengel | 1987-01-13 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4635738 | Drill bit | Hans Schillinger, Klaus Pahlke, Heinz-Juergen Panhorst, Hans-Eckhard Mengel | 1987-01-13 |