4. Communications: electrical
  5. Digital comparator systems

James B. Russell

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Analog-to-digital converter

Communications: electrical – Audible indication – Percussion-type sound producer
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Concrete beams and connecting means therefor

Hydraulic and earth engineering – Foundation – Columnar structure
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Hydraulic ram assemblies

Tool driving or impacting – Impacting devices – With means to cause or control advance of hammer head
Patent

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Miniature vehicle with magnetic enhancement of traction

Amusement devices: toys – Rolling or tumbling – Including extrinsic guide or means cooperable with extrinsic...
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Receiver and decoder

Communications: electrical – Digital comparator systems
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Profile ID: LFUS-PAI-P-829753

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