BY

Byung-Ick Yoon

UN Unknown: 1 patents #29,356 of 83,584Top 40%
Overall (All Time): #3,384,462 of 4,157,543Top 85%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
7211318 Incombustible composition for fire door/wall, fire door/wall using incombustible composition, and method of producing fire door/wall Sang Hoon Lee, Jun-Han Choi 2007-05-01