Inventor · disambiguated record
David F. Winchell
Also filed as: WINCHELL DAVID F
12 granted patents·2 pending applications·1,049 citations·filing 1979–2011
94Inventor score
Files withAT & T BELL LAB9AMERICAN TELEPHONE & TELEGRAPH1BELL TELEPHONE LABOR INC1HARVEY DAVID W1WINCHELL DAVID F1
Top patents by PatentIndex Score
14 records- 0196US4475189AAutomatic interactive conference arrangementAT & T BELL LAB·Filed 1982·Granted Oct 2, 1984·223 cites·10 claims
- 0293US4691347AMethod and apparatus for controlling a conferenceAMERICAN TELEPHONE & TELEGRAPH·Filed 1985·Granted Sep 1, 1987·153 cites·17 claims
- 0393US4544804AConference control transfer arrangementAT & T BELL LAB·Filed 1983·Granted Oct 1, 1985·133 cites·8 claims
- 0493US4305045APhase locked loop clock synchronizing circuit with programmable controllerBELL TELEPHONE LABOR INC·Filed 1979·Granted Dec 8, 1981·60 cites·11 claims
- 0592US4635251AMeet-me conference with control capabilitiesAT & T BELL LAB·Filed 1985·Granted Jan 6, 1987·135 cites·8 claims
- 0691US4540850AMethod and apparatus for controlling a conferenceAT & T BELL LAB·Filed 1983·Granted Sep 10, 1985·98 cites·6 claims
- 0787US4653045AInteractive facility control arrangementAT & T BELL LAB·Filed 1985·Granted Mar 24, 1987·96 cites·14 claims
- 0887US4460807AConference routing arrangementAT & T BELL LAB·Filed 1982·Granted Jul 17, 1984·59 cites·7 claims
- 0982US4550224AMethod and apparatus for adding conferees to a conferenceAT & T BELL LAB·Filed 1982·Granted Oct 29, 1985·36 cites·10 claims
- 1075US9323671B1Managing enhanced write cachingHARVEY DAVID W·Filed 2011·Granted Apr 26, 2016·5 cites·14 claims
- 1174US4529842AAutomatic fault recovery arrangementAT & T BELL LAB·Filed 1983·Granted Jul 16, 1985·28 cites·8 claims
- 1269US4479211AMethod and apparatus for controlling ports in a digital conference arrangementAT & T BELL LAB·Filed 1982·Granted Oct 23, 1984·23 cites·11 claims
- 1353US2009177914A1Clustering Infrastructure System and MethodWINCHELL DAVID F·Filed 2009·Application pending·0 cites
- 1444US2003187927A1Clustering infrastructure system and methodFiled 2003·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →