Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5046557 | Well packing tool | — | 1991-09-10 |
| 4548264 | High temperature well packer | — | 1985-10-22 |
| 4523641 | Liner hanger with channel guides | — | 1985-06-18 |
| 4399870 | Annulus operated test valve | John L. Baugh, James W. Montgomery | 1983-08-23 |
| 4375240 | Well packer | John L. Baugh, James W. Montgomery | 1983-03-01 |
| 4320803 | Valve retrieval mechanism for an inflatable packer system | — | 1982-03-23 |