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United States Utility Patents
4,935,590 - 4,935,599

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NumberTitle
4,935,590 Gas-blast circuit breaker
4,935,591 Push button switch
4,935,592 Microwave cooking carton for browning and crisping food products
4,935,593 Cabinet for cooking appliances
4,935,594 Eroding electrode, in particular a wire electrode for the sparkerosive working
4,935,595 Electrode tip replacement apparatus for welding gun
4,935,596 Shutoff detector for unstable plasma or combustion flame
4,935,597 Process and a device for finding and following a hollow weld in shielded arc welding
4,935,598 Automatic arc welding with filler wire
4,935,599 Air-conditioning device, especially for railroad cars



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