Franz Janssen

📍 Goch, DE: #20 of 47 inventorsTop 45%

Overall (All Time): #3,482,959 of 4,157,543Top 85%

Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
6755592	Device for repairing underground sewers	—	2004-06-29