Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4533472 | Pressure filter with a tubular, flexible filter element which can be turned inside out | Renato Christiani | 1985-08-06 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4533472 | Pressure filter with a tubular, flexible filter element which can be turned inside out | Renato Christiani | 1985-08-06 |