BH

Bernard R. A. G. Helliot

Overall (All Time): #3,872,744 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5002472 Profiles of screw-type rotors for rotary machines conveying a gaseous fluid Patrick Baudrier 1991-03-26