Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8776831 | Check valve | Noriyki Otsuka, Marcel Walder, Alexander Freiburg | 2014-07-15 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8776831 | Check valve | Noriyki Otsuka, Marcel Walder, Alexander Freiburg | 2014-07-15 |