RL

Roger Laumont

HI Hydroperfect International: 3 patents #1 of 6Top 20%
📍 Chennevières-sur-Marne, FR: #14 of 74 inventorsTop 20%
Overall (All Time): #1,658,819 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5240393 Hydraulic machine of the gear type — 1993-08-31
4527966 Apparatus for an hydrostatic compensation of hydraulic pumps and motors of gear type — 1985-07-09
4525126 Electro-hydraulic unit for steering, braking, suspension and like devices for vehicles — 1985-06-25