4. Locks
  5. Special application
  6. For portable articles

Chun-Yuan Chang

Inventor

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Inventor

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Bookstand

Design Patent

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Clipboard

Office supplies; artists and teachers materials – Office equipment not elsewhere specified – Holder or file
Design Patent

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Computer security device

Locks – Special application – For portable articles
Reexamination Certificate

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Hole punch structure

Cutting – Means to drive or to guide tool – With simple rectilinear reciprocating motion only
Reexamination Certificate

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Manually operated corner cutter

Cutting – Means to drive or to guide tool – Plural tools selectively engageable with single drive
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2568692

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