Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9133834 | High pressure pumps for injecting cement mixtures | — | 2015-09-15 |
| D466189 | Diverter valve | Gerald J. McNerney, Jeffrey W. McCormack, Rafael Victor Velazco, William A. Nolan, Gerald Robert Birmingham | 2002-11-26 |