CH19988A
(en )
1900-10-31
Metal rosette for electric lamps
ES24552A1
(en )
1899-08-16
Improvements in electric lamps.
ES24895A1
(en )
1899-11-16
Improvements in electric lamps.
CH19989A
(en )
1900-10-31
Electric light bulb
CH19986A
(en )
1900-10-31
Electric light bulb
ES24588A1
(en )
1899-09-01
Improvements in electric lamps.
ES25242A1
(en )
1900-01-15
Improvements in electric lamps.
CH25200A
(en )
1903-04-15
Support for electrical collectors
DK2649C
(en )
1899-11-13
Electric Clockwork.
CH29359A
(en )
1904-08-15
Incandescent bodies for electric lamps
CH29358A
(en )
1904-08-31
Incandescent bodies for electric lamps
CH20141A
(en )
1900-11-30
Collectors for electric railways
CH19864A
(en )
1900-09-30
Electric alarm clock
ES24094A1
(en )
1899-05-01
Improvements introduced in electric incandescent lamps.
CH18651A
(en )
1900-02-15
Electrode plate for electrical collectors
CH18564A
(en )
1900-01-31
Electrode plate for electrical collectors
CH19736A
(en )
1900-08-31
Elevated electric railway
DK2184C
(en )
1899-04-24
Electric Bulb.
CH25345A
(en )
1903-09-15
Cup holders for electric lamps
ES24715A1
(en )
1899-10-01
Improvements in electric lamps with luminous bodies composed of second class conductors.
CH20790A
(en )
1901-03-31
Electric meter
CH20948A
(en )
1901-04-30
Standalone electric clock
ES23999A2
(en )
1899-04-16
Improvements in an electric lamp with luminous bodies composed of second class conductors.
DK1964C
(en )
1899-01-02
Electric Incandescent.
ES24343A1
(en )
1899-07-01
Improvement in electric batteries.