DL

Den Lee

UN Unknown: 1 patents #273 of 2,925Top 10%
Overall (2003): #237,284 of 273,478Top 90%
1
Patents 2003

Issued Patents 2003

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6554450 Artificial lighting apparatus for young plants using light emitting diodes as light source Wei Fang, Rueychi Jao 2003-04-29