Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4725992 | Adaptive seismometer group recorder having enhanced operating capabilities | Henry J. McKinley, Jr., Sampat M. Rampuria, Ralph E. Warmack | 1988-02-16 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4725992 | Adaptive seismometer group recorder having enhanced operating capabilities | Henry J. McKinley, Jr., Sampat M. Rampuria, Ralph E. Warmack | 1988-02-16 |