MB

Maurice Boutonnat

CF Charbonnages De France: 3 patents #5 of 57Top 9%
Overall (All Time): #1,307,046 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
4608552 Process and device for the remote transmission of signals and application to the detection and/or measurement of the quanity of combustible gas in an atmosphere Gerard Rose 1986-08-26
4538448 Method and device for determining of explosivity rate of gaseous medium Christian Marget 1985-09-03
4475378 Process for interrogation of a detector of the concentration of combustible gas and an implementing device Gerard Rose 1984-10-09
4255960 Apparatus for measuring and/or monitoring a constituent of an atmosphere Gerard Rose 1981-03-17