NE

Nicolaas F. van Elderen

U.S. Philips: 1 patents #4,133 of 8,851Top 50%
Overall (All Time): #4,092,857 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4277715 Electric gas discharge lamp Jacobus Marinus Maria Claassens, Bart van der Leeuw 1981-07-07