4 Patents
#111 in Courbevoie
#3,354 in France
Quartz & Silice
Forward Citations = 33
5 inventors:
5 inventors (with patents filed for the assignee):
Paul Guibert (2 out of 2 patents)
Francis A Launay (2 out of 2 patents)
Pierre Guerder (1 out of 4 patents)
4. Laurent Jean Molins (1 out of 1 patent)
5. Andre Ranson (1 out of 3 patents)
4 patents: