Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4841969 | Device for the production of a cold treatment-gas for cryotherapy | Andreas Donnerhack | 1989-06-27 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4841969 | Device for the production of a cold treatment-gas for cryotherapy | Andreas Donnerhack | 1989-06-27 |