Inventor · disambiguated record

Leo R. Callewyn

Also filed as: CALLEWYN LEO R

1 granted patent·64 citations·filing 1977–1977

50Inventor score
Technology areasB01D
Files withCALLEWYN LEO R1

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1 record

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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →