Individual holder
LAMBETH SPENCER J
US·3 granted patents·1 pending application·8 citations·filing 2016–2025
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
4 records- 0178US10571046B1Utility line shroudLAMBETH SPENCER J·Filed 2019·Granted Feb 25, 2020·6 cites·30 claims
- 0274US2026085483A1Manhole Marker AssemblyLAMBETH SPENCER J·Filed 2025·Application pending·0 cites
- 0364US10047877B2Utility line shroudLAMBETH SPENCER J·Filed 2016·Granted Aug 14, 2018·2 cites·25 claims
- 0456US12509841B2Manhole marker assemblyLAMBETH SPENCER J·Filed 2022·Granted Dec 30, 2025·0 cites·19 claims
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