Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6644346 | Spring-loaded tandem control valve | Hermann-Josef Conrads, Jurgen Model | 2003-11-11 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6644346 | Spring-loaded tandem control valve | Hermann-Josef Conrads, Jurgen Model | 2003-11-11 |