Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4576230 | Retrievable subsurface well casing slip and packer apparatus and method | William T. Tapp | 1986-03-18 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4576230 | Retrievable subsurface well casing slip and packer apparatus and method | William T. Tapp | 1986-03-18 |