HJ

Henricus P. J. Jansen

U.S. Philips: 1 patents #4,133 of 8,851Top 50%
📍 Kerkrade, NL: #41 of 69 inventorsTop 60%
Overall (All Time): #3,667,796 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5986403 Method for making a capped electric lamp by using reduced internal pressure to collapse glass Ulrich J. Morschel 1999-11-16