Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5069755 | Dry cleaning solvent filtration and steam distillation recovery system | Larry L. Durr, Larry J. Durr | 1991-12-03 |
| 4954222 | Dry cleaning solvent filtration and recovery system with filter rinsing apparatus | Larry L. Durr, Larry J. Durr | 1990-09-04 |
| 4299665 | Separation apparatus for immiscible liquids | Phillip H. Braun, Rudy Vingris | 1981-11-10 |