Inventor · disambiguated record
Joseph D. Engebretson
Also filed as: ENGEBRETSON JOSEPH D
4 granted patents·5 pending applications·4 citations·filing 2004–2023
62Inventor score
Top patents by PatentIndex Score
9 records- 0189US10858496B2Durable retroreflective elements with a blend of beads3M INNOVATIVE PROPERTIES CO·Filed 2016·Granted Dec 8, 2020·4 cites·16 claims
- 0282US12043723B2Durable retroreflective elements with a blend of beads3M INNOVATIVE PROPERTIES COMPANY·Filed 2022·Granted Jul 23, 2024·0 cites·16 claims
- 0371US11286368B2Durable retroreflective elements with a blend of beads3M INNOVATIVE PROPERTIES CO·Filed 2020·Granted Mar 29, 2022·0 cites·20 claims
- 0460US2025155616A1Microspheres comprising alumina and zirconia suitable for retroreflective articles3M INNOVATIVE PROPERTIES COMPANY·Filed 2023·Application pending·0 cites
- 0559US2025147208A1Microspheres comprising zirconia and alumina suitable for retroreflective articles3M INNOVATIVE PROPERTIES COMPANY·Filed 2023·Application pending·0 cites
- 0643US10605967B2Retroreflective elements including particles3M INNOVATIVE PROPERTIES CO·Filed 2015·Granted Mar 31, 2020·0 cites·12 claims
- 0742US2008280034A1Pavement marking and reflective elements having microspheres comprising lanthanum oxide and aluminum oxide with zirconia, titania, or mixtures thereof3M INNOVATIVE PROPERTIES CO·Filed 2007·Application pending·0 cites
- 0840US2005158461A1Methods of making reflective elements3M INNOVATIVE PROPERTIES CO·Filed 2004·Application pending·0 cites
- 0937US2005100709A1Retroreflective elements comprising a bonded resin core and pavement markings3M INNOVATIVE PROPERTIES CO·Filed 2004·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →