Patent Explorer
Browse, filter, and analyze 2 patents across global jurisdictions.
| Patent Number | Title | Assignee | Status | Filing Date | Grant Date | Expires | Remaining | Claims | Actions |
|---|---|---|---|---|---|---|---|---|---|
| US3704223A | Dialysis apparatus with capillary exchanger | Dietzsch Hans Joachim GmbH | Expired / Lapsed | 1969-06-06 | 1972-11-28 | 1989-06-06 | 0.0 yrs | 0 | |
| US3547721A | Process of making a diffusion unit | Dietzsch Hans Joachim GmbH | Expired / Lapsed | 1967-08-28 | 1970-12-15 | 1987-08-28 | 0.0 yrs | 0 |