PB

Paul Barroyer

Overall (1989): #71,599 of 140,708Top 55%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4825940 Automatic process and device for cleaning a heat exchanger for gaseous fluids Eric Piat, Bernard Foucher, Leon Bouilliez 1989-05-02