Inventor · disambiguated record
Francis L. Mccall
Also filed as: MCCALL FRANCIS L
8 granted patents·172 citations·filing 1975–1990
88Inventor score
Top patents by PatentIndex Score
8 records- 0169US4542615ADrop ceiling frameworkSPECIFIED CEILING SYSTEMS·Filed 1983·Granted Sep 24, 1985·33 cites·8 claims
- 0267US5107755AInconspicuous, room-ceiling-mountable, non-productive-energy-loss-minimizing, air diffuser for a roomLEBAN GROUP·Filed 1990·Granted Apr 28, 1992·53 cites·27 claims
- 0354US4021986AModular ceiling frameworkSPECIFIED CEILING SYSTEMS·Filed 1975·Granted May 10, 1977·23 cites·3 claims
- 0450US4434599ADrop ceiling frame constructionSPECIFIED CEILING SYSTEMS·Filed 1982·Granted Mar 6, 1984·16 cites·3 claims
- 0550US4332005ALighting panel for drop ceilingsSPECIFIED CEILING SYSTEMS·Filed 1980·Granted May 25, 1982·16 cites·4 claims
- 0646US4475446AHigh volume ceiling type air diffuserSPECIFIED CEILING SYSTEMS·Filed 1984·Granted Oct 9, 1984·12 cites·6 claims
- 0746US4135441AIntegrated air diffuserSPECIFIED CEILING SYSTEMS·Filed 1977·Granted Jan 23, 1979·14 cites·12 claims
- 0833US4214512ADrop ceiling air diffuser with horizontal discharge patternSPECIFIED CEILING SYSTEMS·Filed 1978·Granted Jul 29, 1980·5 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →