Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5597581 | Chitosan foil for wound sealing and process for its preparation | Karl W. An Haak | 1997-01-28 |
| 4881546 | Wound-closure device and method | — | 1989-11-21 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5597581 | Chitosan foil for wound sealing and process for its preparation | Karl W. An Haak | 1997-01-28 |
| 4881546 | Wound-closure device and method | — | 1989-11-21 |