Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8061419 | Casing head slip lock connection for high temperature service | Abram Khazanovich | 2011-11-22 |
| 7918271 | Method and apparatus to provide electrical connection in a wellhead for a downhole electrical device | Abram Khazanovich, Nathan Kwasniewski | 2011-04-05 |