Document stacker apparatus and method of stacking documents

Document track work station

Document transport apparatus and method for barcode readers

Document verification system

Document with indexes

Document with indexes and associated document reader system

Document, system, and method for data storage and acquisition

Dome-shaped handheld laser scanner

Double side scanner and method for controlling the scanner

Double-sided bar code doubling as a single bar code

Double-sided bar code doubling as a single bar code

Down-loadable hand-held optical reader

Drawing, writing and pointing device

Drill pipe identification method and system

Drive arrangement for a card holder

Drive circuit for controlling a resonant motor

Drive circuit for resonant motors

Drive device for use with the information recording/reproducing

Drive mechanism for image scanner apparatus

Drug interaction system