Inventor · disambiguated record
John Christopher De Klerk
Also filed as: DE KLERK JOHN · DE KLERK JOHN CHRISTOPHER
4 granted patents·48 citations·filing 1979–2007
75Inventor score
Top patents by PatentIndex Score
4 records- 0186US8438735B2RazorDE KLERK JOHN CHRISTOPHER·Filed 2007·Granted May 14, 2013·33 cites·16 claims
- 0269US8327544B2RazorDE KLERK JOHN CHRISTOPHER·Filed 2007·Granted Dec 11, 2012·7 cites·7 claims
- 0340US4259649AElectroacoustic delay line apparatusWESTINGHOUSE ELECTRIC CORP·Filed 1979·Granted Mar 31, 1981·5 cites·6 claims
- 0434US4292608AElectroacoustic delay line apparatusWESTINGHOUSE ELECTRIC CORP·Filed 1979·Granted Sep 29, 1981·3 cites·12 claims
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