Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6820630 | Swiveling intake elbow for dry sectional gate valve | Ross Mack, Robert W. Steingass | 2004-11-23 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6820630 | Swiveling intake elbow for dry sectional gate valve | Ross Mack, Robert W. Steingass | 2004-11-23 |