Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6641326 | Removable stud for joining casing flanges | Jan Christopher Schilling, Frederick J. Zegarski, Kurt Hildebrand, Tod Kenneth Bosel | 2003-11-04 |
| 6641737 | Vertical filter | Yongming Xia, Jeffrey S. Devine | 2003-11-04 |
| 6517712 | Descending bed filter | Yongming Xia, Jeffrey S. Devine | 2003-02-11 |