4. Electrical transmission or interconnection systems
  5. Nonlinear reactor systems
  6. Parametrons

Hiroaki Arai

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Apparatus for ultrasonically detecting position of web edge...

Communications – electrical: acoustic wave systems and devices – Distance or direction finding – By combining or comparing signals
Reexamination Certificate

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Apparatus to prevent the entrance of aquatic species into the in

Hydraulic and earth engineering – Fluid control – treatment – or containment – Flow control
Patent

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Article superior in making waterdrops slip down surface...

Stock material or miscellaneous articles – Composite – Of silicon containing
Reexamination Certificate

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Article superior in slipping waterdrops down surface thereof

Stock material or miscellaneous articles – Composite – Of quartz or glass
Reexamination Certificate

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Blasting apparatus

Ammunition and explosives – Blasting – Terrain clearance
Reexamination Certificate

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Profile ID: LFUS-PAI-P-293372

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