Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5645102 | Leak resistant, switching, double valve system | Wolfgang Brackelmann, Frank Baumbach | 1997-07-08 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5645102 | Leak resistant, switching, double valve system | Wolfgang Brackelmann, Frank Baumbach | 1997-07-08 |