Inventor · disambiguated record

Gerharda M. Van Der Valk

Also filed as: VAN DER VALK GERHARDA M

1 granted patent·1 citations·filing 1991–1991

16Inventor score

Technology areasH01J

Files withPHILIPS CORP1

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1 record

0115US5281448AMethod 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 layerPHILIPS CORP·Filed 1991·Granted Jan 25, 1994·1 cites·20 claims

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