Automatic copy recovery

Automatic cyto-screening device

Automatic film retrieval system and method therefor

Automatic hematology analyzer

Automatic object counter

Automatic sweep circuit

Automatic vehicle monitoring system

Averaging counter

Bar code reader and decoder

Battery powered electronic counter

Bidirectional monitoring and control system

Binary counter and circuit for testing same

Block position and speed transducer for a computer-controlled oi

Bowling game counter

Bunker contents indication equipment

Bus-register device for information processing

Calorie calculator-chronometer

Card selector device

Check number counter device for paper counting machine

Check-digit printing means