Leo Keller

OA Optrel Holding Ag: 1 patents #1 of 2Top 50%

📍 Bülach, CH: #2 of 8 inventorsTop 25%

Overall (2004): #169,247 of 270,089Top 65%

Patents 2004

Issued Patents 2004

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
6675800	Emergency flight safety device	—	2004-01-13