Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6578638 | Drillable inflatable packer & methods of use | David Ward | 2003-06-17 |
| 6554076 | Hydraulically activated selective circulating/reverse circulating packer assembly | Chris Cuffe, Mike Betik, Mike Dion, Ken Whanger | 2003-04-29 |