4. Electric lamp and discharge devices: systems
  5. Cathode ray tube circuits
  6. Combined cathode ray tube and circuit element structure

Bernard R. Cheo

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Active radio frequency cavity amplifier

Amplifiers – With semiconductor amplifying device – Including plural amplifier channels
Reexamination Certificate

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Active RF cavity including a plurality of solid state transistor

Electric lamp and discharge devices: systems – Cathode ray tube circuits – Combined cathode ray tube and circuit element structure
Patent

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Profile ID: LFUS-PAI-P-1450230

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