Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6793198 | Banded valve plug head | Jeffrey C. Robison, Craig Smith | 2004-09-21 |
| 6695010 | Segmented ceramic choke | Jeffrey C. Robison, Michael Luque, Craig Smith | 2004-02-24 |
| 6685167 | Double-seated shutoff valve | Jeffrey C. Robison, Michael Luque, Craig Smith | 2004-02-03 |