DL

Den Lee

UN Unknown: 1 patents #267 of 2,778Top 10%
Overall (2002): #230,490 of 266,432Top 90%
1
Patents 2002

Issued Patents 2002

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6474838 Artificial lighting apparatus for young plants using light emitting diodes as light source Wei Fang, Rueychi Jao 2002-11-05