Tsung-yu Huang

6 Patents

• US123594622025

  Lock Case Interlockable with an Anti-theft Latch

  I-TEK METAL MFG. CO., Ltd.

  0 cites
• US123386562025

  Heavy Duty Lock Case

  I-TEK METAL MFG. CO., Ltd

  0 cites
• US122976592025

  Lock Case with an Anti-pick Function

  I-TEK METAL MFG. CO., Ltd.

  0 cites
• US122155222025

  Electronic Control Door Lock

  I-TEK METAL MFG. CO., Ltd.

  0 cites
• US121044052024

  Door Lock Permitting Electric Locking and Unlocking

  I-TEK METAL MFG. CO., Ltd.

  0 cites
• US118148762023

  Lock Device with a Clutch

  I-TEK METAL MFG. CO., Ltd

  0 cites