FR591449A
(en )
1925-07-03
Improvements made in the establishment of shutters for distribution of fluids
FR663558A
(en )
1929-08-22
Improvement in the establishment of electrodes for therapeutic or other applications
FR643865A
(en )
1928-09-25
Further training provided in the establishment of paraneiges
FR642228A
(en )
1928-08-24
Further development in the establishment of toothbrushes
FR563684A
(en )
1923-12-11
Improvements made in the establishment of roller mills
FR713557A
(en )
1931-10-29
Improvements in the treatment of siliceous materials
FR646415A
(en )
1928-11-12
Improvements made in the establishment of cupolas
FR35457E
(en )
1930-03-10
Improvements made in the establishment of bolts
FR608835A
(en )
1926-08-03
Improvements made in the establishment of electric ovens
FR550989A
(en )
1923-03-24
Improvements in the establishment of pumps or similar machines
FR657489A
(en )
1929-05-23
Improvement provided in the establishment of suspenders
FR641041A
(en )
1928-07-26
Further training provided in the establishment of targettes
FR655462A
(en )
1929-04-19
Improvement in the establishment of pedals for cycles
FR602130A
(en )
1926-03-12
Improvements in the use of x-rays for therapeutic, biological or other uses
FR638743A
(en )
1928-06-01
Improvements made in the establishment of tire valves
FR640001A
(en )
1928-07-04
Improvement in the establishment of briefcase handles
FR537082A
(en )
1922-05-15
Improvements in the establishment of polysoc plows
FR36507E
(en )
1930-06-28
Improvement provided in the establishment of shoe soles or other
FR551928A
(en )
1923-04-17
Improvements made in the establishment of roofs
FR630190A
(en )
1927-11-24
Improvement provided in the establishment of watch movements
FR646967A
(en )
1928-11-19
Further development in the establishment of adjustable capacitors
FR33877E
(en )
1929-03-26
Improvements made in the establishment of rotary pumps
FR643653A
(en )
1928-09-21
Improvement in the establishment of reflective surfaces for faces or other lighting devices
FR574423A
(en )
1924-07-11
Improvement in the establishment of forms for the preparation of stockings
FR536145A
(en )
1922-04-26
Improvements made in the establishment of radiators