Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5325684 | Absorber for a diffusion absorption plant | John R. Ferguson | 1994-07-05 |
| 5291754 | Expeller with a gas-bubble pump | — | 1994-03-08 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5325684 | Absorber for a diffusion absorption plant | John R. Ferguson | 1994-07-05 |
| 5291754 | Expeller with a gas-bubble pump | — | 1994-03-08 |