Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8248263 | Personnel safety utilizing time variable frequencies | John DaSilva, Ahmad Chamseddine, Peter Haubrich | 2012-08-21 |
| 8115650 | Radio frequency identification based personnel safety system | John DaSilva | 2012-02-14 |