4. Communications: electrical
  5. Condition responsive indicating system
  6. Specific condition

Stephen A. Haglund

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Abnormal condition responsive means with periodic high sensitivi

Communications: electrical – Condition responsive indicating system – Specific condition
Patent

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Compression mold

Plastic article or earthenware shaping or treating: apparatus – Press forming apparatus having opposed press members – Male shaping member and female mold
Reexamination Certificate

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Interconnection of alarms of smoke detectors with distinguishabl

Communications: electrical – Condition responsive indicating system – Specific condition
Patent

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Low battery voltage detector

Electricity: battery or capacitor charging or discharging – Serially connected batteries or cells – With discharge of cells or batteries
Patent

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Rechargeable battery backup power source for an ionization smoke

Communications: electrical – Condition responsive indicating system – Specific condition
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Profile ID: LFUS-PAI-P-428660

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