Inventor · disambiguated record
William Drew Pierce
Also filed as: PIERCE WILLIAM DREW
4 granted patents·1 pending application·2 citations·filing 2021–2024
61Inventor score
Files withCOLUMBIA INSURANCE CO5
Top patents by PatentIndex Score
5 records- 0180US11746543B2Hidden edge for flooring finishingCOLUMBIA INSURANCE CO·Filed 2021·Granted Sep 5, 2023·2 cites·17 claims
- 0273US2024376725A1Hidden edge for flooring finishingCOLUMBIA INSURANCE CO·Filed 2024·Application pending·0 cites
- 0370US12071773B2Hidden edge for flooring finishingCOLUMBIA INSURANCE CO·Filed 2023·Granted Aug 27, 2024·0 cites·20 claims
- 0464US12408784B2Flooring edge toolsCOLUMBIA INSURANCE CO·Filed 2022·Granted Sep 9, 2025·0 cites·21 claims
- 0556US11350781B2Flooring edge toolsCOLUMBIA INSURANCE CO·Filed 2021·Granted Jun 7, 2022·0 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →