CH67728A
(en )
1915-01-16
Method of manufacturing electric radiators
CH72922A
(en )
1916-07-17
Process for the manufacture of electric radiators
CH78760A
(en )
1918-12-16
Electric radiator and method of making the same
CH75421A
(en )
1917-07-16
Electric radiator and process for its manufacture
CH75854A
(en )
1917-10-01
Process for the manufacture of electric radiators
CH67729A
(en )
1915-04-16
Method of making plastering mortar
CH68454A
(en )
1915-03-16
Electric radiator
CH77801A
(en )
1918-06-01
Method of making caramel
CH78640A
(en )
1918-08-16
Electric heating element and method of making the same
CH70353A
(en )
1915-09-16
Method of manufacturing wire spoke wheels
CH59738A
(en )
1913-06-02
Method for multiple control of electric motors
CH66458A
(en )
1914-09-16
Resistance coil preferably for electric radiators and methods of manufacturing the same
CH63502A
(en )
1914-02-02
Process for the manufacture of radiators
CH72356A
(en )
1916-05-01
Electric insert heater for radiators
CH75403A
(en )
1917-12-01
Electric insert heater for radiators
CH69881A
(en )
1915-09-01
Electric radiator
CH69368A
(en )
1915-06-16
Method of making scythes
CH58754A
(en )
1913-04-01
Procedure for regulating electrical power stations
CH67911A
(en )
1915-02-01
Process for making an emulsion
CH72923A
(en )
1916-12-16
Electric radiator
CH74418A
(en )
1917-03-01
Electric radiator
CH56302A
(en )
1913-03-17
Electric radiator
CH68775A
(en )
1915-05-01
Procedure for insulation against ingress of water
CH65476A
(en )
1914-06-16
Method of making blankets
CH64156A
(en )
1914-03-16
Wrought iron radiators and method of making the same