Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4855062 | Apparatus and process for regulating a filter plate contact pressure in filter presses | — | 1989-08-08 |
| 4853121 | Chamber filter press | Hans-Juergen Heinrich | 1989-08-01 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4855062 | Apparatus and process for regulating a filter plate contact pressure in filter presses | — | 1989-08-08 |
| 4853121 | Chamber filter press | Hans-Juergen Heinrich | 1989-08-01 |