Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5725599 | Process for mineral tanning, re-tanning or leather after-treatment | Bernard Danner, Jurg Heller, Heribert Schmitz, Andre Vallotton | 1998-03-10 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5725599 | Process for mineral tanning, re-tanning or leather after-treatment | Bernard Danner, Jurg Heller, Heribert Schmitz, Andre Vallotton | 1998-03-10 |