Appliance timer
Commutator with several layers of cross-points
Contact assembly and mounting structure for cross bar selector s
Crosspoint matrix switch with ball actuating members for contact
Crosspoint switch comprising bistable crosspoints
Matrix crosspoint switching device
Matrix-related switching arrangement including movable rods and
Relay matrix switching assembly
Remote control means for a balanced line switch system
Switch with several layers of crossing points
Universal matrix switching device
Universal matrix switching device