Dong Kun Oh

3 Patents

• US119318492024

  Blocking Device and Method

  HUVITZ CO., Ltd.

  0 cites
• US117683902023

  Blocker Having Light Transmission and Reflection Device

  HUVITZ CO., Ltd.

  0 cites
• US117192672023

  Device and Method for Mounting Leap Block

  HUVITZ CO., Ltd.

  0 cites