4. Communications: electrical
  5. Condition responsive indicating system
  6. Specified indicator structure

Douglas J. Anderson

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Alarm indicating output appliances

Measuring – testing – or signalling instruments – Security or signal instrument or casing – Alarm or control thereof
Design Patent

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Ceiling reflectors

Illumination – Light source and modifier – Including reflector
Reexamination Certificate

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Cover for surface mounted alarm unit

Electricity: conductors and insulators – Boxes and housings
Reexamination Certificate

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Cover for surface mounted alarm unit

Communications: electrical – Condition responsive indicating system – Specified indicator structure
Patent

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Inflatable safety vest

Apparel – Body garments – Vests
Reexamination Certificate

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Profile ID: LFUS-PAI-P-367458

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