Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9181996 | Device for reducing rod string backspin in progressive cavity pump | Tracy Earl Klotz, Frank Lay | 2015-11-10 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9181996 | Device for reducing rod string backspin in progressive cavity pump | Tracy Earl Klotz, Frank Lay | 2015-11-10 |