WL

Wilhelmus H. M. Langeslag

U.S. Philips: 3 patents #1,741 of 8,851Top 20%
Overall (All Time): #1,624,384 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6285171 DC-DC converter Johannes Hendrik Wessels 2001-09-04
6043606 Discharge lamp device having a preheating electrode circuit Paulus P. B. Arts, Jurgen Margriet Antonius Willaert 2000-03-28
5986408 Discharge lamp with heating electrode circuit Paulus P. B. Arts 1999-11-16