DV

Didier Videau

RF Roquette Freres: 1 patents #4 of 11Top 40%
Overall (1994): #141,928 of 165,921Top 90%
1
Patents 1994

Issued Patents 1994

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5372643 Agent increasing the rate of hardening of cements, mortars and concretes while maintaining their workability Serge Gosset 1994-12-13