Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4874559 | Process and devices for operation of an apparatus which functions by using a flow of a liquid film | — | 1989-10-17 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4874559 | Process and devices for operation of an apparatus which functions by using a flow of a liquid film | — | 1989-10-17 |