Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10232198 | Method for detecting a fall of a worker and apparatus for detecting a fall of a worker | — | 2019-03-19 |
| 7648308 | Frame and corresponding roadway device | Francis Berthon | 2010-01-19 |
| 7491010 | Road manhole | Jacky Boca | 2009-02-17 |
| 7160051 | Closure device | Francis Berthon | 2007-01-09 |