Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4797062 | Device for moving gas at subatmospheric pressure | Ludger A. Deters, Heinrich Engländer, Gunter Schutz | 1989-01-10 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4797062 | Device for moving gas at subatmospheric pressure | Ludger A. Deters, Heinrich Engländer, Gunter Schutz | 1989-01-10 |