HS

Hendrik Adrianus Van Sprang

Philips: 1 patents #571 of 1,994Top 30%
Overall (2003): #213,630 of 273,478Top 80%
1
Patents 2003

Issued Patents 2003

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6570302 Electric lamp with light-absorbing medium and interference film Erik Boonekamp, Mathias Hubertus Johannes Van Rijswick, Gerhard Hebbinghaus 2003-05-27