EG

Etienne Rouget de Gourcez

AL Alsthom: 1 patents #19 of 67Top 30%
VI Vibrachoc: 1 patents #4 of 15Top 30%
Overall (All Time): #3,924,496 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4817757 Wall covering for absorbing sound waves in a liquid medium Rene Perret 1989-04-04