4. Communications: radio wave antennas
  5. Antennas
  6. Balanced doublet - centerfed

David A. Lucas

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Apparatus and method for sampling hazardous material

Measuring and testing – Sampler – sample handling – etc. – Capture device
Patent

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Method of determining the direction of a radio source and radio

Communications: radio wave antennas – Antennas – Balanced doublet - centerfed
Patent

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Resolving angular ambiguity

Communications: radio wave antennas – Antennas – Balanced doublet - centerfed
Patent

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Steering wheel

Transportation – Parts – accessories and attachments for vehicles not... – Control element
Design Patent

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Valve and associated system and method

Fluid handling – Systems – Multi-way valve unit
Reexamination Certificate

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Profile ID: LFUS-PAI-P-1932515

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