Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4773979 | Equipment for purifying gases and liquids | — | 1988-09-27 |
| 4400279 | Process and equipment for rendering visible the charge of ion exchangers | Klaus Purps | 1983-08-23 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4773979 | Equipment for purifying gases and liquids | — | 1988-09-27 |
| 4400279 | Process and equipment for rendering visible the charge of ion exchangers | Klaus Purps | 1983-08-23 |