System for indicating locations of sales items, method thereof,

System for indicating status of a vehicle

System for indicating the residual heat of the pan support grids

System for inhibiting use of a hand-operated machine by an impai

System for intrusion detection

System for isolating radio propagation zones

System for isolating radio propagation zones

System for level gauging and providing alarms for a storage...

System for locating a plurality of objects

System for locating an object

System for locating an object

System for locating and describing

System for locating and preventing the loss of personal...

System for locating and sending messages to pets

System for locating individuals and objects

System for locating items

System for logging premises hazard inspections

System for maintaining security of evidence throughout chain...

System for managing a panel of objects such as keys

System for measuring glaze-ice by microprocessor with new releas