JG

Johannes R. Gelens

U.S. Philips: 2 patents #2,537 of 8,851Top 30%
📍 Terneuzen, NL: #43 of 105 inventorsTop 45%
Overall (All Time): #2,362,227 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4383200 Low-pressure mercury vapor discharge lamp Adrianus J. H. J. Van Zon 1983-05-10
4208700 Flashbulb unit Bauke J. Roelevink 1980-06-17