4. Geometrical instruments
  5. Distance measuring
  6. Opposed contacts

Yee-Chang Feng

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Combined vernier gauge and protractor

Geometrical instruments – Distance measuring – Opposed contacts
Patent

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Exchangeable type screwdriver with work-head storage module(s)

Tools – Wrench – screwdriver – or driver therefor – Handle or shank
Patent

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Integrated circuit extraction tool

Tools and hardware – Other tools and implements – With relative movement of parts while performing function
Patent

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Integrated circuit extraction tool

Tools and hardware – Other tools and implements – With relative movement of parts while performing function
Patent

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Multi-storied tool box

Special receptacle or package – For a tool – Plural
Patent

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Profile ID: LFUS-PAI-P-554835

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