Inventor · disambiguated record
Joanne Lefever
Also filed as: LEFEVER JOANNE
10 granted patents·1 pending application·119 citations·filing 1978–2023
88Inventor score
Top patents by PatentIndex Score
11 records- 0191US9702142B1Water stain and sag resistant acoustic building panelARMSTRONG WORLD IND INC·Filed 2016·Granted Jul 11, 2017·15 cites·15 claims
- 0288US7033963B2Acoustical panel coating and process of applying sameAWI LICENSING CO·Filed 2003·Granted Apr 25, 2006·33 cites·11 claims
- 0381US6693512B1Device location and identification systemARMSTRONG WORLD IND INC·Filed 2000·Granted Feb 17, 2004·49 cites·42 claims
- 0475US12208602B2Humidity and sag resistant building panelARMSTRONG WORLD IND INC·Filed 2023·Granted Jan 28, 2025·0 cites·14 claims
- 0573US10435888B2Water stain and sag resistant acoustic building panelARMSTRONG WORLD IND INC·Filed 2017·Granted Oct 8, 2019·3 cites·19 claims
- 0671US11633935B2Humidity and sag resistant building panelARMSTRONG WORLD IND INC·Filed 2020·Granted Apr 25, 2023·0 cites·20 claims
- 0767US10639865B2Humidity and sag resistant building panelARMSTRONG WORLD IND INC·Filed 2017·Granted May 5, 2020·0 cites·20 claims
- 0861US4247522AMethod of purifying uranium tetrafluoride hydrate and preparing uranium (VI) peroxide hydrate using a fluoride precipitating agentGARDINIER INC·Filed 1978·Granted Jan 27, 1981·12 cites·24 claims
- 0949US2006128863A1Acoustical panel coating and process of applying sameFELEGI JOHN JR·Filed 2005·Application pending·0 cites
- 1031US4250155AMethod of purifying phosphoric acid after solvent extractionGARDINIER INC·Filed 1978·Granted Feb 10, 1981·4 cites·13 claims
- 1124US4258012AMethod of purifying uranium tetrafluoride hydrate and preparing uranium (VI) peroxide hydrate using a fluoride complexing agentGARDINIER INC·Filed 1978·Granted Mar 24, 1981·3 cites·15 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →