Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4832835 | Air pillow in the air chambers of a bottom pulsed jigging machine | Helmut Timmermann, Werner Hasse, Karl-Heinz Weiffen | 1989-05-23 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4832835 | Air pillow in the air chambers of a bottom pulsed jigging machine | Helmut Timmermann, Werner Hasse, Karl-Heinz Weiffen | 1989-05-23 |