Jean Roger

📍 Conflans-Sainte-Honorine, FR: #61 of 130 inventorsTop 50%

Overall (All Time): #4,020,255 of 4,157,543Top 100%

Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4536688	Electric drilling machine	—	1985-08-20