4. Electricity: electrical systems and devices
  5. Safety and protection of systems and devices
  6. Voltage regulator protective circuits

Bernard Feldman

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Economical bathroom mirror heater

Electric heating – Heating devices – Combined with diverse-type art device
Patent

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Etched metal oxide film

Etching a substrate: processes – Nongaseous phase etching of substrate – Etching inorganic substrate
Reexamination Certificate

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Expressway control system

Communications: electrical – Traffic control indicator – Combined
Reexamination Certificate

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Liquid crystal display device and method of fabrication

Metal working – Method of mechanical manufacture – Electrical device making
Patent

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Liquid crystal display device having particulate spacers in liqu

Patent

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Profile ID: LFUS-PAI-P-928631

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