FR501612A
(en )
1920-04-20
Improvements to accumulator battery separators
FR538374A
(en )
1922-06-08
Improvements to alkaline batteries
DK29224C
(en )
1922-01-23
Device for alternating connection of two accumulator batteries to the Charging and Consumption cable.
FR618453A
(en )
1927-03-10
Accumulator battery improvements
FR517215A
(en )
1921-05-02
Improvements to primary galvanic batteries
FR717192A
(en )
1932-01-05
Coupling arrangement for battery charging
FR526173A
(en )
1921-10-03
Device for charging alternating current accumulators
FR498087A
(en )
1919-12-27
Accumulator battery improvements
FR528874A
(en )
1921-11-19
Charging device for portable battery
AU269442B2
(en )
1919-04-04
Battery separators
DK31099C
(en )
1923-01-08
Device for Suspending the Plates in Electric Accumulators.
AU314761A
(en )
1919-04-04
Battery separators
FR498472A
(en )
1920-01-13
Accumulator battery improvements
FR582513A
(en )
1924-12-20
Current rectifier lowering the voltage to charge accumulators
FR606277A
(en )
1926-06-10
Improvements to electric batteries for clocks and pendulums
FR538325A
(en )
1922-06-08
Device for the desulphation of lead-acid batteries
FR511126A
(en )
1920-12-17
Dry battery
GR385B
(en )
1923-02-14
PROVISION TO CHARGE THE BATTERIES FOR HIGH NETWORK VOLTAGE.
CA194141A
(en )
1919-11-25
Floating battery
AT90902B
(en )
1923-01-25
Device for charging collector batteries.
CA206472A
(en )
1920-12-14
Furnace charging device
FR641933A
(en )
1928-08-13
Accumulator battery for motorcycle lighting and other applications
FR618455A
(en )
1927-03-10
Accumulator battery improvements
FR618454A
(en )
1927-03-10
Accumulator battery improvements
FR899443A
(en )
1945-05-30
Advanced battery lug