Data processing device having an improved manually operated batt
DC supplying arrangement for soap feeding device
Detached portable battery with universal clip
Device for assembling electrochemical cells together to form...
Device on electric power hand tools
Device to permit the use of non-standard batteries to power batt
Device with detachable battery mounting
Downhole battery case
Droppable battery packs
Dry cell adapter
Dual action battery latch for a notebook computer
Dual cover battery casing
Dual voltage multiple configuration battery and adapter
Dual voltage multiple configuration battery and adapter
Dual wall storage battery system having air passageways in the b
Dual-purpose compartment for a hybrid battery and fuel cell...