Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4844154 | Well packer | Colby M. Ross | 1989-07-04 |
| 4834175 | Hydraulic versa-trieve packer | Colby M. Ross | 1989-05-30 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4844154 | Well packer | Colby M. Ross | 1989-07-04 |
| 4834175 | Hydraulic versa-trieve packer | Colby M. Ross | 1989-05-30 |