Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5304310 | Method for concentrating and purifying hirudin from leeches | Kurt Lang | 1994-04-19 |
| 5143840 | Substantially purified proteolytic enzyme from Bacillus spec. USNI 4828 method of making and using it | Hansjoerg Rettenmaier, Johannes Perner, Paul Diessel | 1992-09-01 |