Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8083508 | Progressive cavity compressor having check valves on the discharge endplate | Jack H. Irving, John Michael Richardson | 2011-12-27 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8083508 | Progressive cavity compressor having check valves on the discharge endplate | Jack H. Irving, John Michael Richardson | 2011-12-27 |