Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10036125 | Security device | Charles Douglas MacPherson | 2018-07-31 |
| 9170417 | Security device | Charles Douglas MacPherson, Gilles Girouard, A Oliver Stone | 2015-10-27 |
| 8894098 | Security device | Charles Douglas MacPherson, Gilles Girouard, A. Oliver Stone | 2014-11-25 |