Inventor · disambiguated record

Frans Josef Maria Frankort

Also filed as: FRANKORT FRANS JOSEF MARIA

1 granted patent·31 citations·filing 1976–1976

45Inventor score

Technology areasH04R

Files withPHILIPS CORP1

Top patents by PatentIndex Score

1 record

0165US4028566AElectroacoustic conversion device having a diaphragm comprising at least one of a piezoelectric polymer materialPHILIPS CORP·Filed 1976·Granted Jun 7, 1977·31 cites·10 claims

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