Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11674365 | Battery shuttle for electric well service rigs | Frederic M. Newman, James F. Newman | 2023-06-13 |
| 8802740 | Environmentally friendly demulsifiers for crude oil emulsions | Carl Hahn, Robert D. McClain | 2014-08-12 |
| 7566744 | Environmentally friendly demulsifiers for crude oil emulsions | Carl Hahn, Robert D. McClain | 2009-07-28 |