JR

Johannes A. M. Ridders

U.S. Philips: 3 patents #1,741 of 8,851Top 20%
📍 Roosendaal, NL: #26 of 136 inventorsTop 20%
Overall (All Time): #1,671,381 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 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
4772819 Compact high efficacy fluorescent lamp 1988-09-20
4545774 Method of manufacturing a low-pressure mercury vapor discharge lamp and low-pressure mercury vapor discharge lamp manufactured by this method Wilhelmus M. J. Van Gils, Adrianus J. T. Mollet 1985-10-08