Issued Patents 2016
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9328608 | Driven latch mechanism | Christopher L. Drenth, George Iondov | 2016-05-03 |
| 9234398 | Core drilling tools with retractably lockable driven latch mechanisms | Christopher L. Drenth, George Iondov | 2016-01-12 |