JG

Johannes Wilhelmus Gielen

U.S. Philips: 1 patents #4,133 of 8,851Top 50%
📍 Veendam, NL: #11 of 45 inventorsTop 25%
Overall (All Time): #2,212,611 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6373198 Induction lamp system and induction lamp Rene Maarten Arjan Driessens, Herman Gielen 2002-04-16
4906745 Process for making starch ethers Jacobus Guns, Ido Pieter Bleeker 1990-03-06