FR487157A
(en )
1918-06-12
Electric device for heating liquids
CH75223A
(en )
1917-11-16
Electric device for heating liquids
CH69733A
(en )
1915-08-02
Electric device for heating liquids
FR439898A
(en )
1912-06-26
Electric device for heating liquids
FR520547A
(en )
1921-06-27
Electric heater for liquids
CH70106A
(en )
1916-01-17
Electric device for heating liquids
FR443399A
(en )
1912-09-23
Electric device for vacuum cleaning
FR432435A
(en )
1911-12-06
Electric heater for running water
FR431946A
(en )
1911-11-23
Electric device for water heating
FR437035A
(en )
1912-04-11
Electric device for water heating
FR488536A
(en )
1918-10-18
Apparatus for electric welding
CH71433A
(en )
1916-01-03
Electric liquid heater
CH56230A
(en )
1912-10-16
Electric heater
FR455601A
(en )
1913-08-05
Electric device for water heating
FR483804A
(en )
1917-08-14
Improvements to electrical devices for heating liquids
FR483806A
(en )
1917-08-14
Improvements to electrical devices for heating liquids
FR410097A
(en )
1910-05-10
Electric device for heating water
FR517624A
(en )
1921-05-09
Device for repeating mines
FR483805A
(en )
1917-08-14
Switch for electric liquid heaters
FR466899A
(en )
1914-05-26
Electric device for vaporizing liquids
FR484721A
(en )
1917-10-31
Windshield cleaning device
FR492840A
(en )
1919-07-19
Liquid drying device
FR481370A
(en )
1916-11-28
Thermostatic device with switch for electric heaters
FR483978A
(en )
1917-08-23
Apparatus for pouring liquids
FR478709A
(en )
1916-01-05
Improvements to devices for electric heating of liquids