4. Geometrical instruments

E. F. Johnson Company

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Adjustable multiturn air dielectric capacitor

Electricity: electrical systems and devices – Electrostatic capacitors – Variable
Patent

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Adjustable-output electrical energy source using light-emitting

Electrical generator or motor structure – Non-dynamoelectric – Nuclear reaction
Patent

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Air dielectric variable capacitor utilizing a stator formed as p

Electricity: electrical systems and devices – Electrostatic capacitors – Variable
Patent

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Antenna connector for a portable radio

Telecommunications – Transmitter and receiver at same station – Having particular housing or support of a transceiver
Patent

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Channel skip memory system for radio receiver

Patent

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Profile ID: LFUS-PAI-P-223584

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