GV

Gerharda M. Van Der Valk

U.S. Philips: 1 patents #106 of 679Top 20%
Overall (1994): #160,969 of 165,921Top 100%
1
Patents 1994

Issued Patents 1994

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5281448 Method for coating the bulb wall of a low-pressure mercury vapor discharge lamp with a luminescent layer and low-pressure mercury vapor discharge lamp provided with such a luminescent layer Franciscus W. Altena, Ingrid Rotte, Johan Kloosterboer, Matthias H. J. Van Rijswick, Petrus Wilhelmus Vincentius Kop 1994-01-25