CH5188A
(en )
1892-11-30
Apparatus for heating and welding by means of the voltaic arc
CH5201A
(en )
1892-11-15
Apparatus for heating and welding by means of electricity
FR1703E
(en )
1903-09-04
Apparatus for the production of swirling magnetic fluxes for therapeutic applications
FR337270A
(en )
1904-04-02
Apparatus for dental orthopedics
CH6760A
(en )
1893-10-31
Apparatus for the simple and practical cutting of women's clothes
CH1771A
(en )
1890-04-30
Machine or apparatus for shaping, forming and welding metals by electricity
CH1769A
(en )
1890-04-30
Machine or improved apparatus for electric welding and forging
FR361879A
(en )
1906-12-10
Device applicable to apparatus for electrically welding metals
CH3725A
(en )
1891-12-15
Apparatus for refining guttapercha
FR329924A
(en )
1903-08-08
Apparatus for stopping carried away horses
FR344479A
(en )
1904-11-05
Apparatus for indicating that a track is occupied by a train and for automatically applying the brakes, by means of the electric current
CH6182A
(en )
1893-07-15
Apparatus for refining and hammering or beating metals by electricity
FR339206A
(en )
1905-01-07
Apparatus for the evaluation of temperatures of heated and molten metals
FR348559A
(en )
1905-04-17
Apparatus for indicating the heating of a pad by means of an electrical alarm device
FR321688A
(en )
1903-01-16
Rescue apparatus for fires
CH25055A
(en )
1903-03-31
An apparatus for welding with oxyhydrogen gas
FR350160A
(en )
1905-10-25
Apparatus for imprinting gelatin bromide papers and the like
FR396438A
(en )
1909-04-09
Acetylene and oxygen torch for welding and cutting metals
CH7074A
(en )
1894-01-31
Apparatus for the production of combustible gases, cyanides and ammonia
FR333288A
(en )
1903-11-20
New torch system for autogenous metal welding
FR350008A
(en )
1905-08-24
Method and apparatus for cinematography sessions
CH6522A
(en )
1893-09-15
Advanced device for measuring and indicating electric currents
FR344674A
(en )
1904-11-10
Apparatus for sterilizing liquids using ozone
FR333307A
(en )
1903-11-21
Apparatus for teaching arithmetic
CH3346A
(en )
1891-09-30
Advanced device used for surgical and dental operations