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A lighter for tobacco products suppresses the urge to smoke by operant conditioning.

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Number of patents: 1
Last date: August 07, 1990

Number	Title	Issue Date
4947094	Optical guidance system for industrial vehicles An automatically guided vehicle system for steering a vehicle. Optical sensing detects an image of a segment of track mounted above the path of the vehicle. Electrical signals corresponding to the position of the track are generated. A control circuit the...	08/07/1990