Inventor · disambiguated record

Johannes W. Ingeveld

Also filed as: INGEVELD JOHANNES W

3 granted patents·8 citations·filing 1987–1988

60Inventor score

Technology areasH01K

Files withPHILIPS CORP3

Top patents by PatentIndex Score

3 records

0130US4758761AElectric lamp vessel having a mirror coating with a sharply defined boundaryPHILIPS CORP·Filed 1987·Granted Jul 19, 1988·5 cites·3 claims
0221US4864181AElectric incandescent lamp having truncated conical filament and a mirror coatingPHILIPS CORP·Filed 1988·Granted Sep 5, 1989·3 cites·8 claims
0320US4797302AElectric lamp having a mirror-coated lamp vesselPHILIPS CORP·Filed 1987·Granted Jan 10, 1989·0 cites·6 claims

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