Issued Patents 2016
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9450684 | System, method and apparatus for controlling buried devices | Michael James Roper, Peter Kwasniok | 2016-09-20 |
| 9231799 | VLF transmit antenna system, method and apparatus | Michael James Roper | 2016-01-05 |