Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9206486 | Method for tanning animal skins | Manfred Renner, Eckhard Weidner | 2015-12-08 |
| 5900027 | Process for preparing animal hides or pelts | Eckhard Weidner | 1999-05-04 |
HG
Helmut Geihsler
Overall (All Time): #2,040,463 of 4,157,543Top 50%
2
Patents All Time