FR582953A
(en )
1925-01-03
Method of manufacturing bolts, and devices for implementing this method
FR604286A
(en )
1926-05-01
Woodturning process and machine for the implementation of this process
FR645118A
(en )
1928-10-19
Steam production process and devices for its implementation
CH108754A
(en )
1925-03-02
Process for the electrolytic preparation of sodium and apparatus for carrying out this process.
FR604893A
(en )
1926-05-15
Marbled quenching process and devices for implementing this process
FR541932A
(en )
1922-08-03
Process for stripping metal wires
FR576512A
(en )
1924-08-22
new shoulder pads, manufacturing process for these shoulder pads and tooling used for implementing this process
FR35396E
(en )
1930-03-08
Method for reducing the dilatibility of hydrated cellulose
FR634429A
(en )
1928-02-17
Manufacturing process for electric lamps, devices for implementing this process, and new products obtained by this process
FR592045A
(en )
1925-07-22
Method for the implementation of electrothermal processes
FR571001A
(en )
1924-05-10
Economical welding process and device for implementing this process
FR630442A
(en )
1927-12-02
Method for stroboscopic study of mobiles and devices for the implementation of this method
FR613081A
(en )
1926-11-08
Stamping process and tooling for the implementation of this process
FR641750A
(en )
1928-08-09
Process for the production of formaldehyde solutions
FR587497A
(en )
1925-04-18
Manufacturing process of steel bands for solid tires
FR640578A
(en )
1928-07-17
Method and machine for the production of vanized knits
FR593272A
(en )
1925-08-20
New shoemaking process and machine for implementing this process
FR602438A
(en )
1926-03-18
Method and devices for the protection of closures
FR534510A
(en )
1922-03-28
Process and devices for the manufacture of cements
FR575110A
(en )
1924-07-24
Encaustic painting process and devices for implementing this process
FR675259A
(en )
1930-02-07
Advanced process for the production of malleable metal pipes
FR602479A
(en )
1926-03-19
Process for the production of metal dials
FR587261A
(en )
1925-04-15
Process for the production of metaldehyde
FR577593A
(en )
1924-09-08
Process for the production of metallic films
FR655592A
(en )
1929-04-20
Advanced process for manufacturing annealed metal wires