Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9714967 | Electrostatic dust and debris sensor for an engine | John David Weickert, Gregory Keelen Griffin, Charles Rickards | 2017-07-25 |
| 9651469 | Electrostatic particle sensor | John David Weickert, Andrew Scott Kessie, Philip T. Smith, Charles Rickards, Gregory Keelen Griffin +1 more | 2017-05-16 |