4. Card, picture, or sign exhibiting
  5. Changing exhibitor
  6. Alphanumeric device

Kiyoshi Urushibata

Inventor

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Audible signal for alarms

Measuring – testing – or signalling instruments – Security or signal instrument or casing – Aural – i.e. – audible
Design Patent

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Electroacoustic transducers

Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Electromagnetic
Reexamination Certificate

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Magnetic display erasing apparatus

Card – picture – or sign exhibiting – Changing exhibitor – Alphanumeric device
Patent

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Magnetic display erasing apparatus including a plurality of magn

Registers – Records – Magnetic
Patent

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Magnetic indication sheet printing method and magnetic indicatio

Recorders – Magnetographic – Physical reorientation of magnetic particles
Patent

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Profile ID: LFUS-PAI-P-1282267

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