Inventor · disambiguated record

Douglas R. Robertson

Also filed as: ROBERTSON DOUGLAS R

2 granted patents·2 citations·filing 2021–2022

37Inventor score

Technology areasE04C

Files withROBERTSON DOUGLAS R1 XL CONSTRUCTION CORP1

Top patents by PatentIndex Score

2 records

0166US12442175B1Prefabricated building systems and elements thereofXL CONSTRUCTION CORP·Filed 2022·Granted Oct 14, 2025·1 cites·27 claims
0262US12065833B1Architectural floor and roof framing systemROBERTSON DOUGLAS R·Filed 2021·Granted Aug 20, 2024·1 cites·25 claims

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Douglas R. Robertson — Patent Inventor | PatentIndex