JR

Johannes A. M. Ridders

U.S. Philips: 1 patents #205 of 1,030Top 20%
📍 Roosendaal, NL: #1 of 5 inventorsTop 20%
Overall (1989): #93,255 of 140,708Top 70%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4853583 Low-pressure mercury vapor discharge lamp having a lamp cap with walls for guiding electrode leads past starter means disposed therein Herman A. J. Reemers 1989-08-01