Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7886764 | Automatic annular valve | Bernhard Spiegl, Markus Testori | 2011-02-15 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7886764 | Automatic annular valve | Bernhard Spiegl, Markus Testori | 2011-02-15 |