Inventor · disambiguated record
Francis J. Campbell
Also filed as: CAMPBELL FRANCIS · CAMPBELL FRANCIS J · CAMPBELL FRANCIS JOSEPH
9 granted patents·160 citations·filing 1974–1999
88Inventor score
Top patents by PatentIndex Score
9 records- 0194US3932786AElectron gun with a multi-element electron lensRCA CORP·Filed 1974·Granted Jan 13, 1976·49 cites·8 claims
- 0284US4570101ACathode-ray tube having a faceplate panel with a smooth aspherical screen surfaceRCA CORP·Filed 1983·Granted Feb 11, 1986·27 cites·3 claims
- 0371US4016726AConnector hinge for oil containment boomsUS NAVY·Filed 1975·Granted Apr 12, 1977·28 cites·16 claims
- 0462US6250595B1Paint bucket holderFiled 1999·Granted Jun 26, 2001·32 cites·2 claims
- 0555US4228413ASaddle-toroid deflection winding for low loss and/or reduced conductor lengthRCA CORP·Filed 1978·Granted Oct 14, 1980·7 cites·2 claims
- 0646US5754014AElectron gun for a color picture tubeORION ELECTRIC CO LTD·Filed 1994·Granted May 19, 1998·7 cites·4 claims
- 0741US5635792AIn-line type electron gun for a color picture tubeORION ELECTRIC CO LTD·Filed 1994·Granted Jun 3, 1997·5 cites·10 claims
- 0840US5900831AMethod for producing variable density/electric dipole property chaff decoy materialFiled 1974·Granted May 4, 1999·5 cites·19 claims
- 0918US5763991AElectron gun for a color picture tubeORION ELECTRIC CO LTD·Filed 1994·Granted Jun 9, 1998·0 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →