ES221868A1
1955-05-18
A perfection in the procedures for the manufacture of a hueco emitter electrode (Machine-translation by Google Translate, not legally binding)
ES216460A1
1954-07-12
A perfection in the procedure of manufacturing a luminescent matter (Machine-translation by Google Translate, not legally binding)
ES196336A1
1951-01-30
Improvements improved in the supports for activated electrodes for electrical shock appliances
ES187778A1
1949-04-11
A heating device for an electric shock pipe
ES174632A1
1946-08-14
An environmental device for electric shock equipment that works as rectifier.
ES160017A1
1943-01-14
A procedure for the manufacture of emitting electrodes for electrical discharge apparatus
ES158374A1
1942-08-25
Device for starting and operating an electric shock system with gaseous atmosphere
ES155209A1
1941-12-05
Electric shock tube luminescent of very weak luminous intensity
ES149586A1
1940-05-29
Procedure to adher luminescent matters to glass walls
ES148354A1
1940-04-12
A procedure for manufacturing discharge containers with fluorescence
ES148353A1
1940-04-12
A procedure for the application of luminescent substances on walls
ES148355A1
1940-04-12
Improvements in illumination by discharge pipes in fluorescence gases and vapors
ES147591A1
1939-12-11
An electrode for electric discharge tubes.
ES147209A1
1939-11-03
A process for manufacturing luminescent materials for electric discharge vessels.
ES145213A1
1939-07-14
Improvements in electric incandescent lamps.
ES141158A1
1936-02-07
Improvements in electric incandescent lamps.
ES138924A1
1935-07-11
A new method of excitation of the luminescent tubes.
ES137321A1
1935-02-26
Improvements in the filling procedures of electric incandescent lamps with a gaseous atmosphere.
ES136743A1
1935-01-04
Improvements in electric incandescent lamps.
ES136742A1
1935-01-04
Improvements in incandescent lamps.
