4. Geometrical instruments

Samuel Polonsky

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Alarm clock timer with manually operable reset mechanism

Electricity: circuit makers and breakers – Retarded – Clock train
Patent

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Battery terminal harness having improved fastening means for pre

Geometrical instruments
Patent

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Electronic digital alarm clock

Horology: time measuring systems or devices – Chronological – With simultaneous time indicating means
Patent

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Support arrangement for a flexible sound generating diaphragm

Electrical generator or motor structure – Non-dynamoelectric – Piezoelectric elements and devices
Patent

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Timing device

Horology: time measuring systems or devices – Signalling means – Time condition responsive
Patent

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Profile ID: LFUS-PAI-P-840988

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