Assignee
LEFKUS JOHN
US·2 granted patents·0 citations·filing 2021–2022
Top patents by PatentIndex Score
2 records- 0169US11851872B2Building elements and structures having materials with shielding propertiesLEFKUS JOHN·Filed 2022·Granted Dec 26, 2023·0 cites·20 claims
- 0259US11479966B2Building elements and structures having materials with shielding propertiesLEFKUS JOHN·Filed 2021·Granted Oct 25, 2022·0 cites·20 claims
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