CH1050A
(en )
1889-08-31
Electrodes for accumulators (secondary batteries)
ES9657A1
(en )
1889-08-01
New electrodes for accumulators (secondary batteries).
CH1354A
(en )
1889-11-09
Electrode plates for electrical accumulators
CH2067A
(en )
1890-07-15
Plate for secondary batteries
CH1372A
(en )
1889-11-23
Secondary battery
ES9799A1
(en )
1889-09-16
Electrode plates for electricity accumulators.
CH1060A
(en )
1889-09-11
Secondary battery
CH1393A
(en )
1889-11-30
Constant battery for electro-medical use
CH4339A
(en )
1892-04-30
Electrode plates for accumulators
CH1632A
(en )
1890-02-28
Galvanic or primary battery
CA30533A
(en )
1889-01-09
Electrode for secondary batteries
CA30534A
(en )
1889-01-09
Electrode for secondary batteries
CA30535A
(en )
1889-01-09
Electrode for secondary batteries
ES15052A1
(en )
1893-12-01
Some electrode plates for accumulators (secondary batteries).
CH4559A
(en )
1892-06-15
Electrode grid for secondary batteries
ES7749A3
(en )
1888-03-01
Improvements in secondary batteries or electric accumulators.
CH179A
(en )
1889-01-26
Isolation cell for galvanic elements
CH3330A
(en )
1891-08-31
Secondary battery
ES12213A1
(en )
1891-07-16
Improvements in the procedure for the manufacture of plates for use in secondary batteries or electric accumulators.
CH651A
(en )
1889-06-06
Galvanic battery with gelatinized partitions
CA41307A
(en )
1892-12-17
Plates for use in secondary batteries or electrical accumulators
CH2793A
(en )
1891-05-15
Circuit device for charging accumulator batteries
CH1830A
(en )
1890-05-31
Metal electrode for galvanic elements
ES10392A1
(en )
1890-03-01
Improvements made to secondary batteries.
ES10258A1
(en )
1890-02-16
Improvements made to secondary batteries.