Inventor · disambiguated record
John Hagen
Also filed as: HAGEN JOHN · HAGEN JOHN H
2 granted patents·1 pending application·32 citations·filing 1986–2023
62Inventor score
Top patents by PatentIndex Score
3 records- 0185US7327109B1Adjustable bridge for acoustic stringed instrumentsHAGEN JOHN·Filed 2005·Granted Feb 5, 2008·20 cites·1 claims
- 0259US2023405163A1Aircraft disinfecting deviceSABERTON MARK·Filed 2023·Application pending·0 cites
- 0337US4745808AMeasurement apparatus utilizing sonar wavesHAGEN JOHN H·Filed 1986·Granted May 24, 1988·12 cites·15 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →