Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6226887 | Freeze drying methods employing vapor flow monitoring and/or vacuum pressure control | Siegfried G. Bart, Jr. | 2001-05-08 |
| 6122836 | Freeze drying apparatus and method employing vapor flow monitoring and/or vacuum pressure control | Siegfried G. Bart, Jr. | 2000-09-26 |
| 4547977 | Freeze dryer with improved temperature control | David T. Sutherland | 1985-10-22 |