PL

Paul Lefevre

BC Bertin & Cie: 2 patents #18 of 113Top 20%
Overall (All Time): #2,296,026 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5334004 Compressor or turbine type rotary machine for compressing or expanding a dangerous gas Alain Verneau 1994-08-02
5118041 Linear water spray device for cooling sheet metal Georges Chastang, Pierre G. Lascoux, Bernard C. R. Chezlepretre 1992-06-02