Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6398184 | Lock device and lock method for knife gate valves | Richard R. Ruegemer | 2002-06-04 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6398184 | Lock device and lock method for knife gate valves | Richard R. Ruegemer | 2002-06-04 |