4. Bleaching and dyeing; fluid treatment and chemical modification
  5. Treatment of hides, skins, feathers and animal tissues
  6. Tanning

Jau-Shyong Chen

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Pushbutton controlled correction tape

Office supplies; artists and teachers materials – Office equipment not elsewhere specified – For gluing – sealing – etc.
Design Patent

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Pushbutton controlled correction tape assembly

Typewriting machines – Means auxiliary to typewriting function – Means for correcting typing errors
Reexamination Certificate

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Retractable blade cutter knife

Bleaching and dyeing; fluid treatment and chemical modification – Treatment of hides – skins – feathers and animal tissues – Tanning
Design Patent

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Retractable blade cutter knife

Bleaching and dyeing; fluid treatment and chemical modification – Treatment of hides – skins – feathers and animal tissues – Tanning
Design Patent

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Stapler with an articulated lever assembly

Elongated-member-driving apparatus – With means to move or guide member into driving position – Including supply magazine for constantly urged members
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2029719

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