FR506578A
(en )
1920-08-25
Rescue device for divers
FR487226A
(en )
1918-06-18
Safety device for circular saws
FR518250A
(en )
1921-05-21
Device for sealing joints
FR483012A
(en )
1917-05-23
Rescue apparatus for submarines
FR477872A
(en )
1915-11-12
Improvements in pipe chain wrenches
FR18878E
(en )
1914-07-27
Safety device for compressed gas tanks
FR479311A
(en )
1916-03-15
Improvements in piping for combustible gases
FR500920A
(en )
1920-03-27
Device for painting large surfaces
FR480792A
(en )
1916-09-21
Removable platform for windows
CH70391A
(en )
1915-09-16
Roping device for roofers and the like
FR479273A
(en )
1916-03-03
Improvements in fire rescue equipment
FR480661A
(en )
1916-09-07
Device for gas analysis
FR520203A
(en )
1921-06-22
Device for gas analysis
FR500246A
(en )
1920-03-05
Device for turning the sheets
FR654401A
(en )
1929-04-05
Device for the evacuation of flue gases in combustion engines
FR432141A
(en )
1911-11-29
Device for controlling unbalance in networks
CH69856A
(en )
1915-08-02
Method and device for cleaning dental tools
FR483715A
(en )
1917-08-02
Clamping device for machine tools
FR461966A
(en )
1914-01-16
Device for releasing compression in pneumatic tools
FR519641A
(en )
1921-06-13
Quick-release device for operating electrical circuits
CH72385A
(en )
1916-07-01
Propelling device for swimming
FR478374A
(en )
1915-12-08
Device for point determination
CH62687A
(en )
1913-12-16
Apparatus for extinguishing fires in cinematographic booths
FR478054A
(en )
1915-11-22
Safety device for pockets
FR588646A
(en )
1925-05-12
Provision for the use of flue gases in motor vehicles