Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4710078 | Device for the internal deburring of a pipe | Ewald Jakobs, Friedrich Wilhelm Meier | 1987-12-01 |
| 4666349 | Material removing tool | Ewald Jakobs, Berthold Scheer | 1987-05-19 |