Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4290484 | Seal receptacle assembly | Clifford H. Beall, Michael A. Luke | 1981-09-22 |
| 4258787 | Subterranean well injection apparatus | — | 1981-03-31 |
| 4234197 | Conduit sealing system | — | 1980-11-18 |
| 4232888 | Wireline releasable seal connector for wellpipe strings | — | 1980-11-11 |
| 4188999 | Expendable plug and packer assembly | — | 1980-02-19 |