Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4437517 | Slip mechanism for subterreanean wells | David Bianchi | 1984-03-20 |
| 4216827 | Fluid pressure set and released well packer apparatus | — | 1980-08-12 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4437517 | Slip mechanism for subterreanean wells | David Bianchi | 1984-03-20 |
| 4216827 | Fluid pressure set and released well packer apparatus | — | 1980-08-12 |