4. Office supplies; artists and teachers materials
  5. Equipment for writing, drawing, or for fine arts
  6. Plural or combined

Chang-Fong Lin

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Ball-point pen

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

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Combined ball-point pen and bubble blower

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

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Plural-nibbed writing instrument

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

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Writing instrument cap

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

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Profile ID: LFUS-PAI-P-1461583

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