Parking meter with electric grounding arrangement for...
Parking ticket dispenser
Pattern recognition using artificial neural network for coin val
Pay-telephone station with deferred collection
Payment-receiving enclosure for a vending machine
Phase sensitive coin discrimination method and apparatus
Photoelectric measurement method and apparatus and banknote vali
Pilferage protection for satellite vending machine having dual p
Pin vending dispenser
Pivot keypad and dual interface for multiple price and size sett
Pivoting tray for coin sorter
Plural coin responsive mechanism for a dispensing machine
Portable dispenser for mixed beverages
Portable hand device for machine processing of data carried on a
Positive action coin dispenser
Positive drive coin discrimination apparatus and method
Power conserving electronic parking meter
Power control circuit for use in a vending machine
Precision coin analyzer for numismatic application
Precision coin analyzer for numismatic application