Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8010244 | Intervisibility determination | Marc Blais, Ira Glickstein, Peter N. Stiles, Ronald Vienneau | 2011-08-30 |
| 7280897 | Intervisibility determination | Marc Blais, Ira Glickstein, Peter N. Stiles, Ronald Vienneau | 2007-10-09 |