FR700792A
(en )
1931-03-06
Support device mounted on a lathe and enabling all milling work to be carried out with said lathe
FR38579E
(en )
1931-06-15
Support device mounted on a lathe and enabling all milling work to be carried out with said lathe
FR578474A
(en )
1924-09-26
Combined float and slide device allowing movement on the water
FR670774A
(en )
1929-12-04
Advanced flushing device
FR701516A
(en )
1931-03-17
Support device on pressurized water pipes
FR703659A
(en )
1931-05-04
Device for coupling two engines for airplanes with propellers rotating in opposite directions
FR695150A
(en )
1930-12-11
sink with quick emptying device
FR701103A
(en )
1931-03-12
Device for measuring angles in the field, in combination with firearms
FR669556A
(en )
1929-11-18
Device for writing and drawing
FR688534A
(en )
1930-08-26
Device for controlling the movements of the ball carrier rod in the drawing of the tubes on the benches to be drawn
FR692126A
(en )
1930-10-30
Device for automatically immersing photographic prints in the fixing bath
FR706718A
(en )
1931-06-29
Device for threading on a lathe
FR696767A
(en )
1931-01-07
Device for controlling the sound intensity in a talking machine
FR701380A
(en )
1931-03-16
Device to facilitate payments with hard currency
FR685042A
(en )
1930-07-03
Beard brush with water tank and automatic wetting
FR687445A
(en )
1930-08-08
Device allowing the same vehicle to be used for road and water transport
FR674063A
(en )
1930-01-23
Pipe fitted with a pipe tamper mounted on the cover
FR679320A
(en )
1930-04-11
Method for obtaining openings in mesh fabrics with openings machines and device allowing the realization
FR672535A
(en )
1929-12-30
Clutch and automatic stop device for machine tools and the like
FR701732A
(en )
1931-03-21
Device allowing the use of heavy fuels in gasoline engines
FR706720A
(en )
1931-06-29
Device for blocking and advancing the bar on lathes
FR711745A
(en )
1931-09-16
Orientation device adjustable in all directions within specified limits
FR690598A
(en )
1930-09-23
Wiper device
FR676269A
(en )
1930-02-20
Automatic shut-off device for machines working with metal wires
FR715803A
(en )
1931-12-10
Automatic tool advancement device in a machine tool