Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5353834 | Check valve | Edgar Schmitt, Heinz Siegel, Georg Kehl | 1994-10-11 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5353834 | Check valve | Edgar Schmitt, Heinz Siegel, Georg Kehl | 1994-10-11 |