Inventor · disambiguated record
William J. Hannan
Also filed as: HANNAN WILLIAM · HANNAN WILLIAM J · HANNAN WILLIAM JAMES
12 granted patents·340 citations·filing 1973–2001
92Inventor score
Top patents by PatentIndex Score
12 records- 0195US4040088AAdaptor for inter-relating an external audio input device with a standard television receiver, and an audio recording for use therewithRCA CORP·Filed 1976·Granted Aug 2, 1977·62 cites·13 claims
- 0292US4004133ACredit card containing electronic circuitRCA CORP·Filed 1974·Granted Jan 18, 1977·84 cites·13 claims
- 0389US4108367AToken and reader for vending machinesRCA CORP·Filed 1977·Granted Aug 22, 1978·57 cites·4 claims
- 0488US6645385B2System and method for removal of fluoride from wastewater using single fluoride sensing electrodeIONICS·Filed 2001·Granted Nov 11, 2003·42 cites·19 claims
- 0588US4404594AImaging system with enlarged depth of fieldITEK CORP·Filed 1981·Granted Sep 13, 1983·52 cites·20 claims
- 0663US4221465APatching tape for diffractive subtractive filter viewgraphsRCA CORP·Filed 1978·Granted Sep 9, 1980·21 cites·4 claims
- 0746US4506303AOptical data recorder systemITEK CORP·Filed 1982·Granted Mar 19, 1985·5 cites·34 claims
- 0845US4142204AColor image storage and display utilizing holographyRCA CORP·Filed 1977·Granted Feb 27, 1979·6 cites·7 claims
- 0942US4137077ABroadening the spatial frequency pass band of a thermoplastic layerRCA CORP·Filed 1976·Granted Jan 30, 1979·4 cites·8 claims
- 1035US4148636ABroadening the spatial frequency pass band of a thermoplastic layerRCA CORP·Filed 1978·Granted Apr 10, 1979·3 cites·4 claims
- 1132US4094584AFormat for color diffractive subtractive filtersRCA CORP·Filed 1977·Granted Jun 13, 1978·3 cites·5 claims
- 1226US3942013AComposite fission dosemeter for fast neutronsNAT RES DEV·Filed 1973·Granted Mar 2, 1976·1 cites·1 claims
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