FR38579E
(en )
1931-06-15
Support device mounted on a lathe and enabling all milling work to be carried out with said lathe
FR700792A
(en )
1931-03-06
Support device mounted on a lathe and enabling all milling work to be carried out with said lathe
FR690602A
(en )
1930-09-24
Device allowing the use of small counterparts on calenders
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
FR37444E
(en )
1930-12-15
Device for the application of paint with automatic arrival of paint in the brush
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
FR677869A
(en )
1930-03-15
Device for applying tools to the materials to be rubbed
FR682551A
(en )
1930-05-30
Lock nut device
FR37215E
(en )
1930-11-03
Automatic shut-off device for shawl making machine
FR692126A
(en )
1930-10-30
Device for automatically immersing photographic prints in the fixing bath
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
FR642192A
(en )
1928-08-22
Automatic device to suppress water hammer in water pipes
FR687445A
(en )
1930-08-08
Device allowing the same vehicle to be used for road and water transport
FR686838A
(en )
1930-07-31
Memorandum with device allowing automatic deletion of entries
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
FR37812E
(en )
1931-01-24
Extraction device for deep layers
FR666253A
(en )
1929-09-30
Device for the application of paint with automatic arrival of paint in the brush
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