JF

Jacques Ferry

EM Equipements Automobiles Marchal: 2 patents #5 of 32Top 20%
Overall (All Time): #2,336,627 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4742262 Accelerometer, in particular for the detection of pinking in an internal combustion engine — 1988-05-03
4644616 Safety belt buckle device with automatic unlocking — 1987-02-24