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"Automobile disabled" sign

Communications: electrical – Land vehicle alarms or indicators – External signal light system
Patent

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"Hands free" vehicle bright light signal system

Communications: electrical – Land vehicle alarms or indicators – External signal light system
Patent

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"Ice cube" novelty

Communications: electrical – Systems – Timer control
Patent

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"Keep warm" control

Communications: electrical – Systems – Timer control
Patent

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"Selective call receiver"

Communications: electrical – Continuously variable indicating – With meter reading
Patent

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"Selstain" integrated circuitry

Communications: electrical – Land vehicle alarms or indicators – Internal alarm or indicator responsive to a condition of the...
Patent

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“Warning Bump” traffic safety device

Communications: electrical – Vehicle detectors
Reexamination Certificate

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“Warning Bump” traffic safety device

Communications: electrical – Vehicle detectors
Reexamination Certificate

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‘Magneto-acoustic marker for electronic article...

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

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(b+a)-Bit D/A converter with b-bit auxiliary D/A converter

Communications: electrical – Audible indication – Percussion-type sound producer
Patent

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(b+a)-Bit-A/D convertor with b-bit auxiliary A/D convertor

Communications: electrical – Audible indication – Percussion-type sound producer
Patent

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.mu.-Law to floating point converter

Communications: electrical – Audible indication – Percussion-type sound producer
Patent

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.mu.-Law/A-law PCM CODEC

Communications: electrical – Audible indication – Percussion-type sound producer
Patent

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16 Bit analog to digital converter

Communications: electrical – Audible indication – Percussion-type sound producer
Patent

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17-bit cascadable comparator using generic array logic

Communications: electrical – Digital comparator systems
Patent

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2,7 Code decoder with no more than 3 bits error propagation

Communications: electrical – Audible indication – Percussion-type sound producer
Patent

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2-bit binary comparator and binary comparing device using...

Communications: electrical – Digital comparator systems
Reexamination Certificate

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2-wire optovoltaic loop-powered isolation amplifier with current

Communications: electrical – Condition responsive indicating system – With particular system function
Patent

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2-wire push button station control system for a traffic...

Communications: electrical – Pedestrian guidance
Reexamination Certificate

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270 degree motion sensor

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

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