Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5386708 | Cryogenic vacuum pump with expander speed control | Johan E. de Rijke, Mark Foreman | 1995-02-07 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5386708 | Cryogenic vacuum pump with expander speed control | Johan E. de Rijke, Mark Foreman | 1995-02-07 |