Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8453758 | Dual density mud return system | Edward E. Horton, III, Lyle David Finn, James V. Maher | 2013-06-04 |
| 8322460 | Dual density mud return system | Edward E. Horton, III, Lyle David Finn, James V. Maher | 2012-12-04 |