Inventor · disambiguated record

Tammy J. Engfer

Also filed as: ENGFER TAMMY J

2 granted patents·1 citations·filing 2016–2016

30Inventor score

Technology areasB24B B24D

Files with3M INNOVATIVE PROPERTIES CO2

Top patents by PatentIndex Score

2 records

0171US11040429B2Abrasive rotary tool with abrasive agglomerates3M INNOVATIVE PROPERTIES CO·Filed 2016·Granted Jun 22, 2021·1 cites·20 claims
0237US10906156B2Flexible abrasive rotary tool3M INNOVATIVE PROPERTIES CO·Filed 2016·Granted Feb 2, 2021·0 cites·18 claims

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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →