Issued Patents 1997
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5669446 | Methods for breaking viscosified fluids | Chris E. Shuchart, John M. Terracina, Billy Slabaugh, Michael A. McCabe | 1997-09-23 |
| 5669447 | Methods for breaking viscosified fluids | Chris E. Shuchart, John M. Terracina | 1997-09-23 |
| 5596808 | Safety for knife-blade lock | Ronald W. Lake | 1997-01-28 |
| 5591381 | Corrosion inhibiting compositions and methods | — | 1997-01-07 |