GB

Gerrit J. Van Den Beld

U.S. Philips: 1 patents #139 of 781Top 20%
Overall (1997): #148,458 of 185,788Top 80%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5648656 System to optimize artificial lighting levels with increasing daylight level Simon H. A. Begemann, Ariadne D. Tenner 1997-07-15