4. Communications: radio wave antennas
  5. Antennas
  6. Spiral or helical type

Hiroshi Shima

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Alarm system to transmit detection information detected by a det

Communications: electrical – Condition responsive indicating system – With particular coupling link
Patent

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Elements for constructing a three-dimensional structure

Static structures (e.g. – buildings) – Openwork; e.g. – truss – trellis – grille – screen – frame – or... – Three-dimensional space-defining
Patent

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Fire alarm system, fire sensor, fire receiver, and repeater

Communications: electrical – Systems – Manual alarm telegraph; e.g. – other than signal box type
Reexamination Certificate

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Fire heat sensor

Communications: electrical – Condition responsive indicating system – Specific condition
Reexamination Certificate

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Fire sensor

Thermal measuring and testing – Temperature measurement – With fluid flow deflector
Reexamination Certificate

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Profile ID: LFUS-PAI-P-201407

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