Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5201337 | Apparatus for mixing fluids of different specific gravity | — | 1993-04-13 |
| 4743380 | Solvent recovery system | — | 1988-05-10 |
| 4735227 | Turbine flow meter viscosity control | John A. Holstein | 1988-04-05 |