Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10438474 | Apparatus for detecting ferromagnetic objects at a protected doorway assembly | Mark Nicholas Keene | 2019-10-08 |
| 10431067 | Apparatus for detecting ferromagnetic objects at a protected doorway assembly | Mark Nicholas Keene | 2019-10-01 |