Frans H. De Haan

BL British Technology Group Limited: 1 patents #139 of 501Top 30%

📍 Lochem, NL: #12 of 30 inventorsTop 40%

Overall (All Time): #2,269,784 of 4,157,543Top 55%

Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
5623268	Device for protecting SSR transponders against unintended triggering on an airport with very limited muting activity in vertical direction	—	1997-04-22
5179384	Device for identifying and localizing transponders	—	1993-01-12