Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6595292 | Method and apparatus for use with two or more hydraulic conduits deployed downhole | Daniel George Purkis, Stephen Reid | 2003-07-22 |
| 6585051 | Hydraulically operated fluid metering apparatus for use in a subterranean well, and associated methods | Daniel George Purkis, Jimmie R. Williamson, Jr. | 2003-07-01 |