Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7228909 | One-way valve for a side pocket mandrel of a gas lift system | Ronald W. Schmidt, Zlatko Salihbegovic, Jerry H. Robinson | 2007-06-12 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7228909 | One-way valve for a side pocket mandrel of a gas lift system | Ronald W. Schmidt, Zlatko Salihbegovic, Jerry H. Robinson | 2007-06-12 |