4. Printing and office machinery
  5. Printing equipment
  6. Hand held or manipulated

Shiro Hayashi

Inventor

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Ballpoint pen

Office supplies; artists and teachers materials – Equipment for writing – drawing – or for fine arts – Marking instrument
Patent

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Cartridge and drive unit for preventing erroneous insertions...

Dynamic optical information storage or retrieval – Optical storage medium structure – Disk cartridge
Reexamination Certificate

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Changeable character stamp

Printing and office machinery – Printing equipment – Hand held or manipulated
Design Patent

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Changeable character stamp

Printing and office machinery – Printing equipment – Hand held or manipulated
Design Patent

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Compressor having concentrically walled damper

Pumps – Expansible chamber type – Having pulsation dampening fluid receiving space
Reexamination Certificate

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Profile ID: LFUS-PAI-P-395735

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