Individual holder
GRABOWSKI JOSEPH D
US·3 granted patents·29 citations·filing 2019–2021
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
3 records- 0191US11153435B2Method and system for automatically blocking robocallsGRABOWSKI JOSEPH D·Filed 2020·Granted Oct 19, 2021·11 cites·20 claims
- 0288US10805458B1Method and system for automatically blocking recorded robocallsGRABOWSKI JOSEPH D·Filed 2019·Granted Oct 13, 2020·17 cites·20 claims
- 0377US11483428B2Method and system for automatically detecting and blocking robocallsGRABOWSKI JOSEPH D·Filed 2021·Granted Oct 25, 2022·1 cites·21 claims
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