Safety charging system for surgical hand piece

Safety drive for a flap or a valve

Safety interface system

Sasb/aoss (stand-alone static bypass)(add-on static switch)

Satellite battery reconditioning system and method

Satellite power distribution system

Sealed dc power converting station

Sealed lead-acid battery float charger and power supply

Secondary battery charge and discharge control device

Secondary battery control circuit

Secondary battery control device

Secondary battery system

Secure electrical power device and process for an...

Selectable coil array

Selecting a power path based on temperature

Selection line and serial control of remote operated devices...

Selective connection of power supplies

Selective restart circuit for an electronic device

Self-contained emergency lighting units and adjustable...

Self-contained recharging device for portable telephone...