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United States Utility Patents
4,920,330 - 4,920,339

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NumberTitle
4,920,330 Mercury inertial transducer and light-emitting indicator for motor vehicles
4,920,331 Security barrier with intrusion sesning and delaying means
4,920,332 Differential detector of acoustic pressure
4,920,333 Internal pilferage alarm
4,920,334 Security system for bicycles, ski racks and coat racks
4,920,335 Electronic article surveillance device with remote deactivation
4,920,336 Method and apparatus for monitoring the level of the contents in a container
4,920,337 Display apparatus
4,920,338 Automatic seat positioning device for automotive vehicle and the like
4,920,339 Switchable bus termination and address selector



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