Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4925310 | Method and device to measure the optical transmission factor of a tinted glass panel by reflection | Charles Rydel | 1990-05-15 |
| 4874242 | Device for detection of extraneous substances through a wall and a system for aiding the driving of automobiles or airplanes | Jean-Jacques Bezard, Pierre Rodionoff | 1989-10-17 |