Active backscatter wireless display terminal
Advertising compliance monitoring system
Apparatus and means for updating a memory display
Apparatus and method for deactivating electronic article...
Apparatus and method for operating a checkout system having...
Apparatus and method for operating a checkout system having...
Apparatus and method for operating a checkout system having...
Apparatus and method for operating a checkout system having...
Apparatus and method for operating a checkout system having...
Apparatus and method for operating a checkout system having...
Apparatus and method for operating a checkout system having...
Apparatus and method for operating a checkout system having...
Apparatus and method for operating a checkout system having...
Apparatus and method for operating a checkout system which...
Apparatus and method for operating convertible checkout...
Apparatus and method for providing point of purchase products
Apparatus and method for providing point of purchase products
Apparatus and method for providing point of purchase products
Apparatus and method for providing product location...
Apparatus and methods for enforcing purchase agreements