Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5205910 | Distillation chamber for extracting dry-cleaning solvent from sludge | Gualtiero Ghelardini | 1993-04-27 |
| 5174864 | Controlled heating unit for extracting solvent from sludge by distillation | Gualtiero Ghelardini | 1992-12-29 |
| 4840065 | Dried load detector for dry-cleaning machines | — | 1989-06-20 |
| 4831848 | Programming and control panel for dry-cleaning machines | — | 1989-05-23 |