Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4949473 | Freeze drying apparatus with additional condensation surface and refrigeration source | — | 1990-08-21 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4949473 | Freeze drying apparatus with additional condensation surface and refrigeration source | — | 1990-08-21 |