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Ink backflow preventive for water-based ball-point pens

Coating implements with material supply – Including floating follower in reservoir – Fluid follower
Reexamination Certificate

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Ink compositions and writing instruments including the compositi

Coating implements with material supply – Including floating follower in reservoir – Fluid follower
Patent

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Ink follower

Coating implements with material supply – Including floating follower in reservoir – Fluid follower
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Ink follower composition for ballpoint pen and ballpoint pen usi

Coating implements with material supply – Including floating follower in reservoir – Fluid follower
Patent

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Ink follower composition for ballpoint pen and ballpoint pen...

Coating implements with material supply – Including floating follower in reservoir – Fluid follower
Reexamination Certificate

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Ink follower composition for oil-based ballpoint pens

Coating implements with material supply – Including floating follower in reservoir – Fluid follower
Reexamination Certificate

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Ink follower for aqueous ballpoint pen using gel-like material a

Coating implements with material supply – Including floating follower in reservoir
Patent

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Ink follower for water-based ink ballpoint pen

Coating implements with material supply – Including floating follower in reservoir – Fluid follower
Reexamination Certificate

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Ink follower for writing tool

Coating implements with material supply – Including floating follower in reservoir – Fluid follower
Reexamination Certificate

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Ink follower in conjunction with ink in a writing instrument...

Coating implements with material supply – Including floating follower in reservoir – Fluid follower
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Ink follower piston for a ball-point pen, and a method of...

Coating implements with material supply – Including floating follower in reservoir – Fluid follower
Reexamination Certificate

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